28598925 has 12 divisors (see below), whose sum is σ = 47283680. Its totient is φ = 15252720.

The previous prime is 28598903. The next prime is 28598939. The reversal of 28598925 is 52989582.

It is not a de Polignac number, because 28598925 - 2⁶ = 28598861 is a prime.

It is a super-2 number, since 2×28598925² = 1635797022311250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190585 + ... + 190734.

Almost surely, 2^28598925 is an apocalyptic number.

28598925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28598925 is a deficient number, since it is larger than the sum of its proper divisors (18684755).

28598925 is a wasteful number, since it uses less digits than its factorization.

28598925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381332 (or 381327 counting only the distinct ones).

The product of its digits is 518400, while the sum is 48.

The square root of 28598925 is about 5347.7962751025. The cubic root of 28598925 is about 305.8087467376.

The spelling of 28598925 in words is "twenty-eight million, five hundred ninety-eight thousand, nine hundred twenty-five".