25938432 has 120 divisors (see below), whose sum is σ = 80804724. Its totient is φ = 7962624.

The previous prime is 25938397. The next prime is 25938449. The reversal of 25938432 is 23483952.

It can be written as a sum of positive squares in 2 ways, for example, as 21678336 + 4260096 = 4656^2 + 2064^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59688 + ... + 60120.

Almost surely, 2^25938432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25938432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40402362).

25938432 is an abundant number, since it is smaller than the sum of its proper divisors (54866292).

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

25938432 is a wasteful number, since it uses less digits than its factorization.

25938432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 451 counting only the distinct ones).

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

The square root of 25938432 is about 5092.9786962052. The cubic root of 25938432 is about 296.0155823304.

It can be divided in two parts, 2593 and 8432, that added together give a square (11025 = 105²).

The spelling of 25938432 in words is "twenty-five million, nine hundred thirty-eight thousand, four hundred thirty-two".