99315297 has 12 divisors (see below), whose sum is σ = 145476864. Its totient is φ = 65277240.

The previous prime is 99315287. The next prime is 99315301. The reversal of 99315297 is 79251399.

It is a happy number.

99315297 is a `hidden beast` number, since 99 + 31 + 529 + 7 = 666.

It is not a de Polignac number, because 99315297 - 2⁶ = 99315233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99315247) 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, 77073 + ... + 78350.

It is an arithmetic number, because the mean of its divisors is an integer number (12123072).

Almost surely, 2^99315297 is an apocalyptic number.

It is an amenable number.

99315297 is a deficient number, since it is larger than the sum of its proper divisors (46161567).

99315297 is a wasteful number, since it uses less digits than its factorization.

99315297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155500 (or 155497 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 99315297 is about 9965.7060462368. The cubic root of 99315297 is about 463.0970863429.

It can be divided in two parts, 993 and 15297, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 99315297 in words is "ninety-nine million, three hundred fifteen thousand, two hundred ninety-seven".