89538018 has 16 divisors (see below), whose sum is σ = 179426016. Its totient is φ = 29787680.

The previous prime is 89537999. The next prime is 89538023. The reversal of 89538018 is 81083598.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11196 + ... + 17447.

It is an arithmetic number, because the mean of its divisors is an integer number (11214126).

Almost surely, 2^89538018 is an apocalyptic number.

89538018 is an abundant number, since it is smaller than the sum of its proper divisors (89887998).

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

89538018 is a wasteful number, since it uses less digits than its factorization.

89538018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29169.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 89538018 is about 9462.4530646128. The cubic root of 89538018 is about 447.3723706231.

The spelling of 89538018 in words is "eighty-nine million, five hundred thirty-eight thousand, eighteen".