89007918 has 16 divisors (see below), whose sum is σ = 178300416. Its totient is φ = 29621880.

The previous prime is 89007917. The next prime is 89007923. The reversal of 89007918 is 81970098.

It is a self number, because there is not a number n which added to its sum of digits gives 89007918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89007911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7678 + ... + 15393.

It is an arithmetic number, because the mean of its divisors is an integer number (11143776).

Almost surely, 2^89007918 is an apocalyptic number.

89007918 is an abundant number, since it is smaller than the sum of its proper divisors (89292498).

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

89007918 is a wasteful number, since it uses less digits than its factorization.

89007918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23719.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 89007918 is about 9434.4007758840. The cubic root of 89007918 is about 446.4877495597.

The spelling of 89007918 in words is "eighty-nine million, seven thousand, nine hundred eighteen".