99399994 has 16 divisors (see below), whose sum is σ = 156549600. Its totient is φ = 47268144.

The previous prime is 99399983. The next prime is 99400009. The reversal of 99399994 is 49999399.

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, 8904 + ... + 16675.

It is an arithmetic number, because the mean of its divisors is an integer number (9784350).

Almost surely, 2^99399994 is an apocalyptic number.

99399994 is a deficient number, since it is larger than the sum of its proper divisors (57149606).

99399994 is a wasteful number, since it uses less digits than its factorization.

99399994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25677.

The product of its digits is 6377292, while the sum is 61.

The square root of 99399994 is about 9969.9545635875. The cubic root of 99399994 is about 463.2286934249.

The spelling of 99399994 in words is "ninety-nine million, three hundred ninety-nine thousand, nine hundred ninety-four".