89370931 has 4 divisors (see below), whose sum is σ = 96245632. Its totient is φ = 82496232.

The previous prime is 89370913. The next prime is 89370959. The reversal of 89370931 is 13907398.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13907398 = 2 ⋅6953699.

It is not a de Polignac number, because 89370931 - 2¹⁷ = 89239859 is a prime.

It is a super-2 number, since 2×89370931² = 15974326615613522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89370901) 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, 3437331 + ... + 3437356.

It is an arithmetic number, because the mean of its divisors is an integer number (24061408).

Almost surely, 2^89370931 is an apocalyptic number.

89370931 is a deficient number, since it is larger than the sum of its proper divisors (6874701).

89370931 is a wasteful number, since it uses less digits than its factorization.

89370931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874700.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 89370931 is about 9453.6199944783. The cubic root of 89370931 is about 447.0939166422.

It can be divided in two parts, 893 and 70931, that added together give a square (71824 = 268²).

The spelling of 89370931 in words is "eighty-nine million, three hundred seventy thousand, nine hundred thirty-one".