99640796 has 12 divisors (see below), whose sum is σ = 174441960. Its totient is φ = 49800240.

The previous prime is 99640787. The next prime is 99640811. The reversal of 99640796 is 69704699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14486 + ... + 20226.

It is an arithmetic number, because the mean of its divisors is an integer number (14536830).

Almost surely, 2^99640796 is an apocalyptic number.

It is an amenable number.

99640796 is a deficient number, since it is larger than the sum of its proper divisors (74801164).

99640796 is a wasteful number, since it uses less digits than its factorization.

99640796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10084 (or 10082 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 99640796 is about 9982.0236425286. The cubic root of 99640796 is about 463.6024575021.

The spelling of 99640796 in words is "ninety-nine million, six hundred forty thousand, seven hundred ninety-six".