89397188 has 6 divisors (see below), whose sum is σ = 156445086. Its totient is φ = 44698592.

The previous prime is 89397137. The next prime is 89397199. The reversal of 89397188 is 88179398.

It can be written as a sum of positive squares in only one way, i.e., 61434244 + 27962944 = 7838^2 + 5288^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11174645 + ... + 11174652.

It is an arithmetic number, because the mean of its divisors is an integer number (26074181).

Almost surely, 2^89397188 is an apocalyptic number.

It is an amenable number.

89397188 is a deficient number, since it is larger than the sum of its proper divisors (67047898).

89397188 is a wasteful number, since it uses less digits than its factorization.

89397188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22349301 (or 22349299 counting only the distinct ones).

The product of its digits is 870912, while the sum is 53.

The square root of 89397188 is about 9455.0086197740. The cubic root of 89397188 is about 447.1376974531.

The spelling of 89397188 in words is "eighty-nine million, three hundred ninety-seven thousand, one hundred eighty-eight".