99939318 has 16 divisors (see below), whose sum is σ = 200329200. Its totient is φ = 33238016.

The previous prime is 99939317. The next prime is 99939341. The reversal of 99939318 is 81393999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99939317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15855 + ... + 21242.

It is an arithmetic number, because the mean of its divisors is an integer number (12520575).

Almost surely, 2^99939318 is an apocalyptic number.

99939318 is an abundant number, since it is smaller than the sum of its proper divisors (100389882).

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

99939318 is a wasteful number, since it uses less digits than its factorization.

99939318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37551.

The product of its digits is 472392, while the sum is 51.

The square root of 99939318 is about 9996.9654395722. The cubic root of 99939318 is about 464.0649773995.

The spelling of 99939318 in words is "ninety-nine million, nine hundred thirty-nine thousand, three hundred eighteen".