89923018 has 8 divisors (see below), whose sum is σ = 135050112. Its totient is φ = 44906316.

The previous prime is 89923007. The next prime is 89923039. The reversal of 89923018 is 81032998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×89923018² = 16172298332456648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25530 + ... + 28837.

It is an arithmetic number, because the mean of its divisors is an integer number (16881264).

Almost surely, 2^89923018 is an apocalyptic number.

89923018 is a deficient number, since it is larger than the sum of its proper divisors (45127094).

89923018 is a wasteful number, since it uses less digits than its factorization.

89923018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55196.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 89923018 is about 9482.7748048765. The cubic root of 89923018 is about 448.0126650597.

The spelling of 89923018 in words is "eighty-nine million, nine hundred twenty-three thousand, eighteen".