99964805 has 16 divisors (see below), whose sum is σ = 122943744. Its totient is φ = 78005760.

The previous prime is 99964793. The next prime is 99964807. The reversal of 99964805 is 50846999.

It is not a de Polignac number, because 99964805 - 2⁴ = 99964789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99964807) 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, 32984 + ... + 35886.

It is an arithmetic number, because the mean of its divisors is an integer number (7683984).

Almost surely, 2^99964805 is an apocalyptic number.

It is an amenable number.

99964805 is a deficient number, since it is larger than the sum of its proper divisors (22978939).

99964805 is a wasteful number, since it uses less digits than its factorization.

99964805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 99964805 is about 9998.2400951367. The cubic root of 99964805 is about 464.1044233987.

The spelling of 99964805 in words is "ninety-nine million, nine hundred sixty-four thousand, eight hundred five".