89046931 has 2 divisors, whose sum is σ = 89046932. Its totient is φ = 89046930.

The previous prime is 89046917. The next prime is 89046949. The reversal of 89046931 is 13964098.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89046931 - 2¹¹ = 89044883 is a prime.

It is a super-2 number, since 2×89046931² = 15858711841037522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89086931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44523465 + 44523466.

It is an arithmetic number, because the mean of its divisors is an integer number (44523466).

Almost surely, 2^89046931 is an apocalyptic number.

89046931 is a deficient number, since it is larger than the sum of its proper divisors (1).

89046931 is an equidigital number, since it uses as much as digits as its factorization.

89046931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 89046931 is about 9436.4681422659. The cubic root of 89046931 is about 446.5529732785.

The spelling of 89046931 in words is "eighty-nine million, forty-six thousand, nine hundred thirty-one".