99399320 has 32 divisors (see below), whose sum is σ = 225637920. Its totient is φ = 39406080.

The previous prime is 99399319. The next prime is 99399329. The reversal of 99399320 is 2399399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99399329) 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, 6476 + ... + 15515.

It is an arithmetic number, because the mean of its divisors is an integer number (7051185).

Almost surely, 2^99399320 is an apocalyptic number.

It is an amenable number.

99399320 is an abundant number, since it is smaller than the sum of its proper divisors (126238600).

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

99399320 is a wasteful number, since it uses less digits than its factorization.

99399320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22115 (or 22111 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 44.

The square root of 99399320 is about 9969.9207619720. The cubic root of 99399320 is about 463.2276464200.

The spelling of 99399320 in words is "ninety-nine million, three hundred ninety-nine thousand, three hundred twenty".