99698291 has 12 divisors (see below), whose sum is σ = 126519480. Its totient is φ = 77686560.

The previous prime is 99698279. The next prime is 99698299. The reversal of 99698291 is 19289699.

It is not a de Polignac number, because 99698291 - 2⁶ = 99698227 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99698299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91946 + ... + 93023.

It is an arithmetic number, because the mean of its divisors is an integer number (10543290).

Almost surely, 2^99698291 is an apocalyptic number.

99698291 is a deficient number, since it is larger than the sum of its proper divisors (26821189).

99698291 is a wasteful number, since it uses less digits than its factorization.

99698291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184994 (or 184987 counting only the distinct ones).

The product of its digits is 629856, while the sum is 53.

The square root of 99698291 is about 9984.9031542624. The cubic root of 99698291 is about 463.6916100687.

The spelling of 99698291 in words is "ninety-nine million, six hundred ninety-eight thousand, two hundred ninety-one".