99658201 has 4 divisors (see below), whose sum is σ = 101292004. Its totient is φ = 98024400.

The previous prime is 99658187. The next prime is 99658231. The reversal of 99658201 is 10285699.

It is the 4076-th star number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36614601 + 63043600 = 6051^2 + 7940^2 .

It is a cyclic number.

It is not a de Polignac number, because 99658201 - 2¹¹ = 99656153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99658231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816810 + ... + 816931.

It is an arithmetic number, because the mean of its divisors is an integer number (25323001).

Almost surely, 2^99658201 is an apocalyptic number.

It is an amenable number.

99658201 is a deficient number, since it is larger than the sum of its proper divisors (1633803).

99658201 is a wasteful number, since it uses less digits than its factorization.

99658201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633802.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 99658201 is about 9982.8954216700. The cubic root of 99658201 is about 463.6294495619.

The spelling of 99658201 in words is "ninety-nine million, six hundred fifty-eight thousand, two hundred one".