99964605 has 32 divisors (see below), whose sum is σ = 181319040. Its totient is φ = 46621440.

The previous prime is 99964597. The next prime is 99964691. The reversal of 99964605 is 50646999.

It is a happy number.

It is not a de Polignac number, because 99964605 - 2³ = 99964597 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9786 + ... + 17195.

It is an arithmetic number, because the mean of its divisors is an integer number (5666220).

Almost surely, 2^99964605 is an apocalyptic number.

99964605 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

99964605 is a deficient number, since it is larger than the sum of its proper divisors (81354435).

99964605 is a wasteful number, since it uses less digits than its factorization.

99964605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27021.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 99964605 is about 9998.2300933715. The cubic root of 99964605 is about 464.1041138866.

The spelling of 99964605 in words is "ninety-nine million, nine hundred sixty-four thousand, six hundred five".