99630297 has 32 divisors (see below), whose sum is σ = 161011200. Its totient is φ = 60518016.

The previous prime is 99630259. The next prime is 99630313. The reversal of 99630297 is 79203699.

99630297 is a `hidden beast` number, since 9 + 9 + 630 + 2 + 9 + 7 = 666.

It is not a de Polignac number, because 99630297 - 2¹⁰ = 99629273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99630197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25933 + ... + 29525.

It is an arithmetic number, because the mean of its divisors is an integer number (5031600).

Almost surely, 2^99630297 is an apocalyptic number.

It is an amenable number.

99630297 is a deficient number, since it is larger than the sum of its proper divisors (61380903).

99630297 is a wasteful number, since it uses less digits than its factorization.

99630297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694 (or 3688 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 99630297 is about 9981.4977333064. The cubic root of 99630297 is about 463.5861739002.

The spelling of 99630297 in words is "ninety-nine million, six hundred thirty thousand, two hundred ninety-seven".