99015900 has 36 divisors (see below), whose sum is σ = 286486872. Its totient is φ = 26404160.

The previous prime is 99015881. The next prime is 99015907. The reversal of 99015900 is 951099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99015907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164727 + ... + 165326.

Almost surely, 2^99015900 is an apocalyptic number.

It is an amenable number.

99015900 is an abundant number, since it is smaller than the sum of its proper divisors (187470972).

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

99015900 is a wasteful number, since it uses less digits than its factorization.

99015900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330070 (or 330063 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 33.

The square root of 99015900 is about 9950.6733440506. The cubic root of 99015900 is about 462.6312653951.

Adding to 99015900 its reverse (951099), we get a palindrome (99966999).

The spelling of 99015900 in words is "ninety-nine million, fifteen thousand, nine hundred".