89943518 has 16 divisors (see below), whose sum is σ = 157336800. Its totient is φ = 38546928.

The previous prime is 89943509. The next prime is 89943523. The reversal of 89943518 is 81534998.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 64871 + ... + 66242.

It is an arithmetic number, because the mean of its divisors is an integer number (9833550).

Almost surely, 2^89943518 is an apocalyptic number.

89943518 is a deficient number, since it is larger than the sum of its proper divisors (67393282).

89943518 is a wasteful number, since it uses less digits than its factorization.

89943518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131136 (or 131122 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 89943518 is about 9483.8556505253. The cubic root of 89943518 is about 448.0467073698.

The spelling of 89943518 in words is "eighty-nine million, nine hundred forty-three thousand, five hundred eighteen".