89860431 has 4 divisors (see below), whose sum is σ = 119813912. Its totient is φ = 59906952.

The previous prime is 89860427. The next prime is 89860499. The reversal of 89860431 is 13406898.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 89860431 - 2² = 89860427 is a prime.

It is a super-2 number, since 2×89860431² = 16149794119011522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89860431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89860031) 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, 14976736 + ... + 14976741.

It is an arithmetic number, because the mean of its divisors is an integer number (29953478).

Almost surely, 2^89860431 is an apocalyptic number.

89860431 is a deficient number, since it is larger than the sum of its proper divisors (29953481).

89860431 is a wasteful number, since it uses less digits than its factorization.

89860431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29953480.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 89860431 is about 9479.4741942789. The cubic root of 89860431 is about 447.9087010354.

The spelling of 89860431 in words is "eighty-nine million, eight hundred sixty thousand, four hundred thirty-one".