89169631 has 8 divisors (see below), whose sum is σ = 89821584. Its totient is φ = 88520640.

The previous prime is 89169611. The next prime is 89169649. The reversal of 89169631 is 13696198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89169631 - 2⁵ = 89169599 is a prime.

It is a super-2 number, since 2×89169631² = 15902446185352322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89169611) 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, 108201 + ... + 109021.

It is an arithmetic number, because the mean of its divisors is an integer number (11227698).

Almost surely, 2^89169631 is an apocalyptic number.

89169631 is a deficient number, since it is larger than the sum of its proper divisors (651953).

89169631 is a wasteful number, since it uses less digits than its factorization.

89169631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481.

The product of its digits is 69984, while the sum is 43.

The square root of 89169631 is about 9442.9672772916. The cubic root of 89169631 is about 446.7579846585.

The spelling of 89169631 in words is "eighty-nine million, one hundred sixty-nine thousand, six hundred thirty-one".