25828938 has 12 divisors (see below), whose sum is σ = 55962738. Its totient is φ = 8609640.

The previous prime is 25828927. The next prime is 25828981. The reversal of 25828938 is 83982852.

It can be written as a sum of positive squares in only one way, i.e., 25674489 + 154449 = 5067^2 + 393^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25828893 and 25828902.

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 5 ways as a sum of consecutive naturals, for example, 717453 + ... + 717488.

Almost surely, 2^25828938 is an apocalyptic number.

25828938 is an abundant number, since it is smaller than the sum of its proper divisors (30133800).

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

25828938 is a wasteful number, since it uses less digits than its factorization.

25828938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434949 (or 1434946 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 25828938 is about 5082.2178229588. The cubic root of 25828938 is about 295.5984709659.

The spelling of 25828938 in words is "twenty-five million, eight hundred twenty-eight thousand, nine hundred thirty-eight".