128598488 has 16 divisors (see below), whose sum is σ = 241521000. Its totient is φ = 64192896.

The previous prime is 128598469. The next prime is 128598493. The reversal of 128598488 is 884895821.

It is a happy number.

It is a super-2 number, since 2×128598488² = 33075142231772288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 8033 + ... + 17936.

Almost surely, 2^128598488 is an apocalyptic number.

It is an amenable number.

128598488 is a deficient number, since it is larger than the sum of its proper divisors (112922512).

128598488 is a wasteful number, since it uses less digits than its factorization.

128598488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26594 (or 26590 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 53.

The square root of 128598488 is about 11340.1273361457. The cubic root of 128598488 is about 504.7526652103.

The spelling of 128598488 in words is "one hundred twenty-eight million, five hundred ninety-eight thousand, four hundred eighty-eight".