89499218 has 4 divisors (see below), whose sum is σ = 134248830. Its totient is φ = 44749608.

The previous prime is 89499209. The next prime is 89499229. The reversal of 89499218 is 81299498.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 87853129 + 1646089 = 9373^2 + 1283^2 .

It is a super-2 number, since 2×89499218² = 16020220045223048, which contains 22 as substring.

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, 22374803 + ... + 22374806.

Almost surely, 2^89499218 is an apocalyptic number.

89499218 is a deficient number, since it is larger than the sum of its proper divisors (44749612).

89499218 is a wasteful number, since it uses less digits than its factorization.

89499218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44749611.

The product of its digits is 373248, while the sum is 50.

The square root of 89499218 is about 9460.4026341377. The cubic root of 89499218 is about 447.3077405130.

The spelling of 89499218 in words is "eighty-nine million, four hundred ninety-nine thousand, two hundred eighteen".