89918451 has 16 divisors (see below), whose sum is σ = 152243200. Its totient is φ = 51381864.

The previous prime is 89918441. The next prime is 89918459. The reversal of 89918451 is 15481998.

It is not a de Polignac number, because 89918451 - 2⁹ = 89917939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89918397 and 89918406.

It is not an unprimeable number, because it can be changed into a prime (89918459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237691 + ... + 238068.

It is an arithmetic number, because the mean of its divisors is an integer number (9515200).

Almost surely, 2^89918451 is an apocalyptic number.

89918451 is a deficient number, since it is larger than the sum of its proper divisors (62324749).

89918451 is a wasteful number, since it uses less digits than its factorization.

89918451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475775 (or 475769 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 89918451 is about 9482.5339967753. The cubic root of 89918451 is about 448.0050803925.

The spelling of 89918451 in words is "eighty-nine million, nine hundred eighteen thousand, four hundred fifty-one".