89424931 has 2 divisors, whose sum is σ = 89424932. Its totient is φ = 89424930.

The previous prime is 89424917. The next prime is 89424983. The reversal of 89424931 is 13942498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89424931 - 2⁵ = 89424899 is a prime.

It is a super-2 number, since 2×89424931² = 15993636568709522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89424901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44712465 + 44712466.

It is an arithmetic number, because the mean of its divisors is an integer number (44712466).

Almost surely, 2^89424931 is an apocalyptic number.

89424931 is a deficient number, since it is larger than the sum of its proper divisors (1).

89424931 is an equidigital number, since it uses as much as digits as its factorization.

89424931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 89424931 is about 9456.4756119815. The cubic root of 89424931 is about 447.1839467011.

The spelling of 89424931 in words is "eighty-nine million, four hundred twenty-four thousand, nine hundred thirty-one".