28598900 has 36 divisors (see below), whose sum is σ = 67704000. Its totient is φ = 10399200.

The previous prime is 28598873. The next prime is 28598903. The reversal of 28598900 is 989582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28598903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11900 + ... + 14099.

Almost surely, 2^28598900 is an apocalyptic number.

28598900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28598900 is an abundant number, since it is smaller than the sum of its proper divisors (39105100).

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

28598900 is a wasteful number, since it uses less digits than its factorization.

28598900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26024 (or 26017 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 28598900 is about 5347.7939376906. The cubic root of 28598900 is about 305.8086576291.

The spelling of 28598900 in words is "twenty-eight million, five hundred ninety-eight thousand, nine hundred".