25860996 has 72 divisors (see below), whose sum is σ = 76562304. Its totient is φ = 7205760.

The previous prime is 25860983. The next prime is 25861001. The reversal of 25860996 is 69906852.

It is a super-2 number, since 2×25860996² = 1337582228224032, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 9081 + ... + 11583.

Almost surely, 2^25860996 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 25860996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38281152).

25860996 is an abundant number, since it is smaller than the sum of its proper divisors (50701308).

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

25860996 is a wasteful number, since it uses less digits than its factorization.

25860996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 25860996 is about 5085.3707829420. The cubic root of 25860996 is about 295.7207159962.

The spelling of 25860996 in words is "twenty-five million, eight hundred sixty thousand, nine hundred ninety-six".