89456731 has 32 divisors (see below), whose sum is σ = 119705600. Its totient is φ = 64851840.

The previous prime is 89456699. The next prime is 89456747. The reversal of 89456731 is 13765498.

It is a cyclic number.

It is not a de Polignac number, because 89456731 - 2⁵ = 89456699 is a prime.

It is a super-2 number, since 2×89456731² = 16005013442412722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89456791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52765 + ... + 54433.

It is an arithmetic number, because the mean of its divisors is an integer number (3740800).

Almost surely, 2^89456731 is an apocalyptic number.

89456731 is a deficient number, since it is larger than the sum of its proper divisors (30248869).

89456731 is a wasteful number, since it uses less digits than its factorization.

89456731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739.

The product of its digits is 181440, while the sum is 43.

The square root of 89456731 is about 9458.1568500422. The cubic root of 89456731 is about 447.2369474473.

The spelling of 89456731 in words is "eighty-nine million, four hundred fifty-six thousand, seven hundred thirty-one".