25906984 has 32 divisors (see below), whose sum is σ = 50181120. Its totient is φ = 12531456.

The previous prime is 25906973. The next prime is 25906987. The reversal of 25906984 is 48960952.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 25906984.

It is not an unprimeable number, because it can be changed into a prime (25906987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43392 + ... + 43984.

It is an arithmetic number, because the mean of its divisors is an integer number (1568160).

Almost surely, 2^25906984 is an apocalyptic number.

It is an amenable number.

25906984 is a deficient number, since it is larger than the sum of its proper divisors (24274136).

25906984 is a wasteful number, since it uses less digits than its factorization.

25906984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 25906984 is about 5089.8903721004. The cubic root of 25906984 is about 295.8959032545.

The spelling of 25906984 in words is "twenty-five million, nine hundred six thousand, nine hundred eighty-four".