89964155 has 8 divisors (see below), whose sum is σ = 112650912. Its totient is φ = 68842048.

The previous prime is 89964143. The next prime is 89964163. The reversal of 89964155 is 55146998.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89964155 - 2⁸ = 89963899 is a prime.

It is a Duffinian number.

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, 391034 + ... + 391263.

It is an arithmetic number, because the mean of its divisors is an integer number (14081364).

Almost surely, 2^89964155 is an apocalyptic number.

89964155 is a deficient number, since it is larger than the sum of its proper divisors (22686757).

89964155 is a wasteful number, since it uses less digits than its factorization.

89964155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782325.

The product of its digits is 388800, while the sum is 47.

The square root of 89964155 is about 9484.9435949825. The cubic root of 89964155 is about 448.0809719580.

The spelling of 89964155 in words is "eighty-nine million, nine hundred sixty-four thousand, one hundred fifty-five".