2100384 has 192 divisors, whose sum is σ = 7620480. Its totient is φ = 552960.

The previous prime is 2100377. The next prime is 2100403. The reversal of 2100384 is 4830012.

It is a happy number.

It is a super-2 number, since 2×2100384² = 8823225894912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123544 + ... + 123560.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2^2100384 is an apocalyptic number.

2100384 is a gapful number since it is divisible by the number (24) 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 2100384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3810240).

2100384 is an abundant number, since it is smaller than the sum of its proper divisors (5520096).

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

2100384 is a wasteful number, since it uses less digits than its factorization.

2100384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2100384 is about 1449.2701611501. The cubic root of 2100384 is about 128.0657214579.

Adding to 2100384 its reverse (4830012), we get a palindrome (6930396).

The spelling of 2100384 in words is "two million, one hundred thousand, three hundred eighty-four".