99308285 has 16 divisors (see below), whose sum is σ = 122935296. Its totient is φ = 76966848.

The previous prime is 99308263. The next prime is 99308311. The reversal of 99308285 is 58280399.

It is a cyclic number.

It is not a de Polignac number, because 99308285 - 2⁸ = 99308029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25487 + ... + 29123.

It is an arithmetic number, because the mean of its divisors is an integer number (7683456).

Almost surely, 2^99308285 is an apocalyptic number.

It is an amenable number.

99308285 is a deficient number, since it is larger than the sum of its proper divisors (23627011).

99308285 is a wasteful number, since it uses less digits than its factorization.

99308285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 99308285 is about 9965.3542335433. The cubic root of 99308285 is about 463.0861873398.

The spelling of 99308285 in words is "ninety-nine million, three hundred eight thousand, two hundred eighty-five".