99306207 has 96 divisors (see below), whose sum is σ = 196525056. Its totient is φ = 46656000.

The previous prime is 99306161. The next prime is 99306241. The reversal of 99306207 is 70260399.

It is not a de Polignac number, because 99306207 - 2¹² = 99302111 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99306257) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 657582 + ... + 657732.

It is an arithmetic number, because the mean of its divisors is an integer number (2047136).

Almost surely, 2^99306207 is an apocalyptic number.

99306207 is the 4983-rd decagonal number.

99306207 is a deficient number, since it is larger than the sum of its proper divisors (97218849).

99306207 is a wasteful number, since it uses less digits than its factorization.

99306207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 99306207 is about 9965.2499717769. The cubic root of 99306207 is about 463.0829573313.

The spelling of 99306207 in words is "ninety-nine million, three hundred six thousand, two hundred seven".