2381500 has 48 divisors (see below), whose sum is σ = 5687136. Its totient is φ = 864000.

The previous prime is 2381497. The next prime is 2381503. The reversal of 2381500 is 51832.

It is a happy number.

2381500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2381497) and next prime (2381503).

It is a super-3 number, since 3×2381500³ = 40520333605125000000, which contains 333 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5284 + ... + 5716.

It is an arithmetic number, because the mean of its divisors is an integer number (118482).

2^2381500 is an apocalyptic number.

2381500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2381500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2843568).

2381500 is an abundant number, since it is smaller than the sum of its proper divisors (3305636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2381500 is a wasteful number, since it uses less digits than its factorization.

2381500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2381500 is about 1543.2109382712. The cubic root of 2381500 is about 133.5416881314.

The spelling of 2381500 in words is "two million, three hundred eighty-one thousand, five hundred".