25928428 has 12 divisors (see below), whose sum is σ = 45410400. Its totient is φ = 12954032.

The previous prime is 25928401. The next prime is 25928479. The reversal of 25928428 is 82482952.

It is a happy number.

It is an unprimeable number.

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, 8898 + ... + 11446.

It is an arithmetic number, because the mean of its divisors is an integer number (3784200).

Almost surely, 2^25928428 is an apocalyptic number.

It is an amenable number.

25928428 is a deficient number, since it is larger than the sum of its proper divisors (19481972).

25928428 is a wasteful number, since it uses less digits than its factorization.

25928428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096 (or 5094 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 25928428 is about 5091.9964650420. The cubic root of 25928428 is about 295.9775214242.

The spelling of 25928428 in words is "twenty-five million, nine hundred twenty-eight thousand, four hundred twenty-eight".