25996784 has 20 divisors (see below), whose sum is σ = 54948120. Its totient is φ = 11816640.

The previous prime is 25996783. The next prime is 25996813. The reversal of 25996784 is 48769952.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25996783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73679 + ... + 74030.

It is an arithmetic number, because the mean of its divisors is an integer number (2747406).

Almost surely, 2^25996784 is an apocalyptic number.

It is an amenable number.

25996784 is an abundant number, since it is smaller than the sum of its proper divisors (28951336).

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

25996784 is a wasteful number, since it uses less digits than its factorization.

25996784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147728 (or 147722 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 25996784 is about 5098.7041490951. The cubic root of 25996784 is about 296.2373917379.

The spelling of 25996784 in words is "twenty-five million, nine hundred ninety-six thousand, seven hundred eighty-four".