25840932 has 48 divisors (see below), whose sum is σ = 65423232. Its totient is φ = 7891200.

The previous prime is 25840909. The next prime is 25840933. The reversal of 25840932 is 23904852.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25840893 and 25840902.

It is not an unprimeable number, because it can be changed into a prime (25840933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23008 + ... + 24104.

It is an arithmetic number, because the mean of its divisors is an integer number (1362984).

Almost surely, 2^25840932 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 25840932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32711616).

25840932 is an abundant number, since it is smaller than the sum of its proper divisors (39582300).

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

25840932 is a wasteful number, since it uses less digits than its factorization.

25840932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 25840932 is about 5083.3976826528. The cubic root of 25840932 is about 295.6442188710.

The spelling of 25840932 in words is "twenty-five million, eight hundred forty thousand, nine hundred thirty-two".