89915049 has 80 divisors (see below), whose sum is σ = 165819200. Its totient is φ = 48009024.

The previous prime is 89914991. The next prime is 89915053. The reversal of 89915049 is 94051998.

It is not a de Polignac number, because 89915049 - 2⁹ = 89914537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89914995 and 89915013.

It is not an unprimeable number, because it can be changed into a prime (89915549) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1231677 + ... + 1231749.

It is an arithmetic number, because the mean of its divisors is an integer number (2072740).

Almost surely, 2^89915049 is an apocalyptic number.

It is an amenable number.

89915049 is a deficient number, since it is larger than the sum of its proper divisors (75904151).

89915049 is an equidigital number, since it uses as much as digits as its factorization.

89915049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 89915049 is about 9482.3546126476. The cubic root of 89915049 is about 447.9994303378. Note that the first 3 decimals are identical.

The spelling of 89915049 in words is "eighty-nine million, nine hundred fifteen thousand, forty-nine".