25923996 has 96 divisors (see below), whose sum is σ = 78382080. Its totient is φ = 7255872.

The previous prime is 25923991. The next prime is 25924007. The reversal of 25923996 is 69932952.

25923996 is a `hidden beast` number, since 259 + 2 + 399 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25923991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39745 + ... + 40391.

It is an arithmetic number, because the mean of its divisors is an integer number (816480).

Almost surely, 2^25923996 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 25923996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39191040).

25923996 is an abundant number, since it is smaller than the sum of its proper divisors (52458084).

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

25923996 is a wasteful number, since it uses less digits than its factorization.

25923996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 712 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 25923996 is about 5091.5612536824. The cubic root of 25923996 is about 295.9606564460.

The spelling of 25923996 in words is "twenty-five million, nine hundred twenty-three thousand, nine hundred ninety-six".