89897136 has 40 divisors (see below), whose sum is σ = 265411584. Its totient is φ = 25684800.

The previous prime is 89897131. The next prime is 89897149. The reversal of 89897136 is 63179898.

It is a super-2 number, since 2×89897136² = 16162990122004992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89897131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133440 + ... + 134111.

Almost surely, 2^89897136 is an apocalyptic number.

It is an amenable number.

89897136 is an abundant number, since it is smaller than the sum of its proper divisors (175514448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89897136 is a wasteful number, since it uses less digits than its factorization.

89897136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267569 (or 267563 counting only the distinct ones).

The product of its digits is 653184, while the sum is 51.

The square root of 89897136 is about 9481.4100217215. The cubic root of 89897136 is about 447.9696780073.

The spelling of 89897136 in words is "eighty-nine million, eight hundred ninety-seven thousand, one hundred thirty-six".