25930688 has 28 divisors (see below), whose sum is σ = 58808112. Its totient is φ = 11112960.

The previous prime is 25930679. The next prime is 25930703. The reversal of 25930688 is 88603952.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28493 + ... + 29388.

Almost surely, 2^25930688 is an apocalyptic number.

25930688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25930688 is an abundant number, since it is smaller than the sum of its proper divisors (32877424).

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

25930688 is an equidigital number, since it uses as much as digits as its factorization.

25930688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57900 (or 57890 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 25930688 is about 5092.2183770926. The cubic root of 25930688 is about 295.9861206056.

The spelling of 25930688 in words is "twenty-five million, nine hundred thirty thousand, six hundred eighty-eight".