99656994 has 8 divisors (see below), whose sum is σ = 199314000. Its totient is φ = 33218996.

The previous prime is 99656993. The next prime is 99657007. The reversal of 99656994 is 49965699.

It is a sphenic number, since it is the product of 3 distinct primes.

99656994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (99656993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8304744 + ... + 8304755.

It is an arithmetic number, because the mean of its divisors is an integer number (24914250).

Almost surely, 2^99656994 is an apocalyptic number.

99656994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99656994 is a wasteful number, since it uses less digits than its factorization.

99656994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16609504.

The product of its digits is 4723920, while the sum is 57.

The square root of 99656994 is about 9982.8349680840. The cubic root of 99656994 is about 463.6275778210.

The spelling of 99656994 in words is "ninety-nine million, six hundred fifty-six thousand, nine hundred ninety-four".