89318418 has 32 divisors (see below), whose sum is σ = 209139840. Its totient is φ = 24896640.

The previous prime is 89318417. The next prime is 89318419. The reversal of 89318418 is 81481398.

It is an interprime number because it is at equal distance from previous prime (89318417) and next prime (89318419).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 89318418.

It is not an unprimeable number, because it can be changed into a prime (89318417) 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 15 ways as a sum of consecutive naturals, for example, 24213 + ... + 27656.

It is an arithmetic number, because the mean of its divisors is an integer number (6535620).

Almost surely, 2^89318418 is an apocalyptic number.

89318418 is an abundant number, since it is smaller than the sum of its proper divisors (119821422).

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

89318418 is a wasteful number, since it uses less digits than its factorization.

89318418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51922.

The product of its digits is 55296, while the sum is 42.

The square root of 89318418 is about 9450.8421846944. The cubic root of 89318418 is about 447.0063309565.

The spelling of 89318418 in words is "eighty-nine million, three hundred eighteen thousand, four hundred eighteen".