98128988 has 12 divisors (see below), whose sum is σ = 171806040. Its totient is φ = 49041552.

The previous prime is 98128957. The next prime is 98128999. The reversal of 98128988 is 88982189.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7058 + ... + 15686.

It is an arithmetic number, because the mean of its divisors is an integer number (14317170).

Almost surely, 2^98128988 is an apocalyptic number.

It is an amenable number.

98128988 is a deficient number, since it is larger than the sum of its proper divisors (73677052).

98128988 is a wasteful number, since it uses less digits than its factorization.

98128988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11476 (or 11474 counting only the distinct ones).

The product of its digits is 663552, while the sum is 53.

The square root of 98128988 is about 9906.0076721149. The cubic root of 98128988 is about 461.2458163608.

The spelling of 98128988 in words is "ninety-eight million, one hundred twenty-eight thousand, nine hundred eighty-eight".