89198972 has 12 divisors (see below), whose sum is σ = 156961896. Its totient is φ = 44352720.

The previous prime is 89198959. The next prime is 89198987. The reversal of 89198972 is 27989198.

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, 60878 + ... + 62325.

It is an arithmetic number, because the mean of its divisors is an integer number (13080158).

Almost surely, 2^89198972 is an apocalyptic number.

It is an amenable number.

89198972 is a deficient number, since it is larger than the sum of its proper divisors (67762924).

89198972 is a wasteful number, since it uses less digits than its factorization.

89198972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123388 (or 123386 counting only the distinct ones).

The product of its digits is 653184, while the sum is 53.

The square root of 89198972 is about 9444.5207395611. The cubic root of 89198972 is about 446.8069807438.

The spelling of 89198972 in words is "eighty-nine million, one hundred ninety-eight thousand, nine hundred seventy-two".