89955998 has 12 divisors (see below), whose sum is σ = 148316280. Its totient is φ = 40888980.

The previous prime is 89955973. The next prime is 89956001.

89955998 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 89955998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185618 + ... + 186101.

It is an arithmetic number, because the mean of its divisors is an integer number (12359690).

Almost surely, 2^89955998 is an apocalyptic number.

89955998 is a deficient number, since it is larger than the sum of its proper divisors (58360282).

89955998 is a wasteful number, since it uses less digits than its factorization.

89955998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371743 (or 371732 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 62.

The square root of 89955998 is about 9484.5135879496. The cubic root of 89955998 is about 448.0674291310.

The spelling of 89955998 in words is "eighty-nine million, nine hundred fifty-five thousand, nine hundred ninety-eight".