89684574 has 16 divisors (see below), whose sum is σ = 204993408. Its totient is φ = 25624152.

The previous prime is 89684561. The next prime is 89684599. The reversal of 89684574 is 47548698.

It is a super-2 number, since 2×89684574² = 16086645627122952, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067632 + ... + 1067715.

It is an arithmetic number, because the mean of its divisors is an integer number (12812088).

Almost surely, 2^89684574 is an apocalyptic number.

89684574 is an abundant number, since it is smaller than the sum of its proper divisors (115308834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89684574 is a wasteful number, since it uses less digits than its factorization.

89684574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135359.

The product of its digits is 1935360, while the sum is 51.

The square root of 89684574 is about 9470.1939790059. The cubic root of 89684574 is about 447.6163242223.

The spelling of 89684574 in words is "eighty-nine million, six hundred eighty-four thousand, five hundred seventy-four".