25379928 has 96 divisors (see below), whose sum is σ = 80739360. Its totient is φ = 7050240.

The previous prime is 25379903. The next prime is 25379941. The reversal of 25379928 is 82997352.

25379928 is a `hidden beast` number, since 2 + 537 + 99 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17968 + ... + 19328.

It is an arithmetic number, because the mean of its divisors is an integer number (841035).

Almost surely, 2^25379928 is an apocalyptic number.

25379928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25379928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40369680).

25379928 is an abundant number, since it is smaller than the sum of its proper divisors (55359432).

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

25379928 is a wasteful number, since it uses less digits than its factorization.

25379928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1410 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 25379928 is about 5037.8495412229. The cubic root of 25379928 is about 293.8755547176.

The spelling of 25379928 in words is "twenty-five million, three hundred seventy-nine thousand, nine hundred twenty-eight".