99207650 has 24 divisors (see below), whose sum is σ = 185314404. Its totient is φ = 39513600.

The previous prime is 99207629. The next prime is 99207653. The reversal of 99207650 is 5670299.

99207650 = 419² + 420² + ... + 718².

It can be written as a sum of positive squares in 6 ways, for example, as 32638369 + 66569281 = 5713^2 + 8159^2 .

It is not an unprimeable number, because it can be changed into a prime (99207653) 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, 7934 + ... + 16166.

Almost surely, 2^99207650 is an apocalyptic number.

99207650 is a deficient number, since it is larger than the sum of its proper divisors (86106754).

99207650 is a wasteful number, since it uses less digits than its factorization.

99207650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8486 (or 8481 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 99207650 is about 9960.3037102289. The cubic root of 99207650 is about 462.9297102003.

The spelling of 99207650 in words is "ninety-nine million, two hundred seven thousand, six hundred fifty".