89335231 has 4 divisors (see below), whose sum is σ = 89359072. Its totient is φ = 89311392.

The previous prime is 89335223. The next prime is 89335237. The reversal of 89335231 is 13253398.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13253398 = 2 ⋅6626699.

It is a cyclic number.

It is not a de Polignac number, because 89335231 - 2³ = 89335223 is a prime.

It is a super-2 number, since 2×89335231² = 15961566995646722, 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 (89335237) 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, 4935 + ... + 14248.

It is an arithmetic number, because the mean of its divisors is an integer number (22339768).

Almost surely, 2^89335231 is an apocalyptic number.

89335231 is a deficient number, since it is larger than the sum of its proper divisors (23841).

89335231 is a wasteful number, since it uses less digits than its factorization.

89335231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23840.

The product of its digits is 19440, while the sum is 34.

The square root of 89335231 is about 9451.7316402869. The cubic root of 89335231 is about 447.0343768552.

The spelling of 89335231 in words is "eighty-nine million, three hundred thirty-five thousand, two hundred thirty-one".