25239384 has 32 divisors (see below), whose sum is σ = 70110000. Its totient is φ = 8413056.

The previous prime is 25239343. The next prime is 25239397. The reversal of 25239384 is 48393252.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58209 + ... + 58640.

Almost surely, 2^25239384 is an apocalyptic number.

25239384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25239384 is an abundant number, since it is smaller than the sum of its proper divisors (44870616).

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

25239384 is a wasteful number, since it uses less digits than its factorization.

25239384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116864 (or 116854 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 25239384 is about 5023.8813680261. The cubic root of 25239384 is about 293.3320948065.

The spelling of 25239384 in words is "twenty-five million, two hundred thirty-nine thousand, three hundred eighty-four".