99245691 has 6 divisors (see below), whose sum is σ = 143354900. Its totient is φ = 66163788.

The previous prime is 99245689. The next prime is 99245723. The reversal of 99245691 is 19654299.

It is not a de Polignac number, because 99245691 - 2¹ = 99245689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99245681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5513641 + ... + 5513658.

Almost surely, 2^99245691 is an apocalyptic number.

99245691 is a deficient number, since it is larger than the sum of its proper divisors (44109209).

99245691 is a wasteful number, since it uses less digits than its factorization.

99245691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11027305 (or 11027302 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 99245691 is about 9962.2131577276. The cubic root of 99245691 is about 462.9888725018.

The spelling of 99245691 in words is "ninety-nine million, two hundred forty-five thousand, six hundred ninety-one".