89840574 has 12 divisors (see below), whose sum is σ = 194654616. Its totient is φ = 29946852.

The previous prime is 89840567. The next prime is 89840591. The reversal of 89840574 is 47504898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2495554 + ... + 2495589.

It is an arithmetic number, because the mean of its divisors is an integer number (16221218).

Almost surely, 2^89840574 is an apocalyptic number.

89840574 is an abundant number, since it is smaller than the sum of its proper divisors (104814042).

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

89840574 is a wasteful number, since it uses less digits than its factorization.

89840574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991151 (or 4991148 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 89840574 is about 9478.4267681931. The cubic root of 89840574 is about 447.8757062449.

The spelling of 89840574 in words is "eighty-nine million, eight hundred forty thousand, five hundred seventy-four".