99009994 has 16 divisors (see below), whose sum is σ = 152431488. Its totient is φ = 48206592.

The previous prime is 99009991. The next prime is 99010019. The reversal of 99009994 is 49990099.

It is not an unprimeable number, because it can be changed into a prime (99009991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29994 + ... + 33130.

It is an arithmetic number, because the mean of its divisors is an integer number (9526968).

Almost surely, 2^99009994 is an apocalyptic number.

99009994 is a deficient number, since it is larger than the sum of its proper divisors (53421494).

99009994 is a wasteful number, since it uses less digits than its factorization.

99009994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549.

The product of its (nonzero) digits is 236196, while the sum is 49.

The square root of 99009994 is about 9950.3765757885. The cubic root of 99009994 is about 462.6220670254.

The spelling of 99009994 in words is "ninety-nine million, nine thousand, nine hundred ninety-four".