99715290 has 16 divisors (see below), whose sum is σ = 239316768. Its totient is φ = 26590736.

The previous prime is 99715289. The next prime is 99715303. The reversal of 99715290 is 9251799.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1661892 + ... + 1661951.

It is an arithmetic number, because the mean of its divisors is an integer number (14957298).

Almost surely, 2^99715290 is an apocalyptic number.

99715290 is an abundant number, since it is smaller than the sum of its proper divisors (139601478).

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

99715290 is a wasteful number, since it uses less digits than its factorization.

99715290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323853.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 99715290 is about 9985.7543530772. The cubic root of 99715290 is about 463.7179623952.

The spelling of 99715290 in words is "ninety-nine million, seven hundred fifteen thousand, two hundred ninety".