89311136 has 24 divisors (see below), whose sum is σ = 176754564. Its totient is φ = 44421120.

The previous prime is 89311133. The next prime is 89311147. The reversal of 89311136 is 63111398.

It can be written as a sum of positive squares in 2 ways, for example, as 74718736 + 14592400 = 8644^2 + 3820^2 .

It is a super-2 number, since 2×89311136² = 15952958027220992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (89311133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055 + ... + 13406.

Almost surely, 2^89311136 is an apocalyptic number.

It is an amenable number.

89311136 is a deficient number, since it is larger than the sum of its proper divisors (87443428).

89311136 is a wasteful number, since it uses less digits than its factorization.

89311136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14664 (or 14656 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 89311136 is about 9450.4569201706. The cubic root of 89311136 is about 446.9941827022.

The spelling of 89311136 in words is "eighty-nine million, three hundred eleven thousand, one hundred thirty-six".