2381424 has 20 divisors (see below), whose sum is σ = 6152136. Its totient is φ = 793792.

The previous prime is 2381413. The next prime is 2381429. The reversal of 2381424 is 4241832.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2381394 and 2381403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24759 + ... + 24854.

2^2381424 is an apocalyptic number.

2381424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2381424 is an abundant number, since it is smaller than the sum of its proper divisors (3770712).

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

2381424 is a wasteful number, since it uses less digits than its factorization.

2381424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49624 (or 49618 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 2381424 is about 1543.1863140917. The cubic root of 2381424 is about 133.5402675594.

It can be divided in two parts, 23814 and 24, that multiplied together give a square (571536 = 756²).

The spelling of 2381424 in words is "two million, three hundred eighty-one thousand, four hundred twenty-four".