99949994 has 32 divisors (see below), whose sum is σ = 161758080. Its totient is φ = 46179072.

The previous prime is 99949991. The next prime is 99949999. The reversal of 99949994 is 49994999.

It is not an unprimeable number, because it can be changed into a prime (99949991) 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, 379907 + ... + 380169.

It is an arithmetic number, because the mean of its divisors is an integer number (5054940).

Almost surely, 2^99949994 is an apocalyptic number.

99949994 is a deficient number, since it is larger than the sum of its proper divisors (61808086).

99949994 is a wasteful number, since it uses less digits than its factorization.

99949994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494.

The product of its digits is 8503056, while the sum is 62.

The square root of 99949994 is about 9997.4993873468. The cubic root of 99949994 is about 464.0815013642.

The spelling of 99949994 in words is "ninety-nine million, nine hundred forty-nine thousand, nine hundred ninety-four".