99586321 has 4 divisors (see below), whose sum is σ = 101072752. Its totient is φ = 98099892.

The previous prime is 99586231. The next prime is 99586327. The reversal of 99586321 is 12368599.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99586321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99586327) 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, 743115 + ... + 743248.

It is an arithmetic number, because the mean of its divisors is an integer number (25268188).

Almost surely, 2^99586321 is an apocalyptic number.

It is an amenable number.

99586321 is a deficient number, since it is larger than the sum of its proper divisors (1486431).

99586321 is a wasteful number, since it uses less digits than its factorization.

99586321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486430.

The product of its digits is 116640, while the sum is 43.

The square root of 99586321 is about 9979.2946143503. The cubic root of 99586321 is about 463.5179561443.

The spelling of 99586321 in words is "ninety-nine million, five hundred eighty-six thousand, three hundred twenty-one".