89818318 has 4 divisors (see below), whose sum is σ = 134727480. Its totient is φ = 44909158.

The previous prime is 89818297. The next prime is 89818321. The reversal of 89818318 is 81381898.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22454578 + ... + 22454581.

It is an arithmetic number, because the mean of its divisors is an integer number (33681870).

Almost surely, 2^89818318 is an apocalyptic number.

89818318 is a deficient number, since it is larger than the sum of its proper divisors (44909162).

89818318 is a wasteful number, since it uses less digits than its factorization.

89818318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44909161.

The product of its digits is 110592, while the sum is 46.

The square root of 89818318 is about 9477.2526609772. The cubic root of 89818318 is about 447.8387194490.

The spelling of 89818318 in words is "eighty-nine million, eight hundred eighteen thousand, three hundred eighteen".