99386231 has 8 divisors (see below), whose sum is σ = 114057504. Its totient is φ = 84833280.

The previous prime is 99386227. The next prime is 99386249. The reversal of 99386231 is 13268399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99386231 - 2² = 99386227 is a prime.

It is a super-2 number, since 2×99386231² = 19755245824770722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99386281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27770 + ... + 31143.

It is an arithmetic number, because the mean of its divisors is an integer number (14257188).

Almost surely, 2^99386231 is an apocalyptic number.

99386231 is a deficient number, since it is larger than the sum of its proper divisors (14671273).

99386231 is a wasteful number, since it uses less digits than its factorization.

99386231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59161.

The product of its digits is 69984, while the sum is 41.

The square root of 99386231 is about 9969.2643158861. The cubic root of 99386231 is about 463.2073127704.

The spelling of 99386231 in words is "ninety-nine million, three hundred eighty-six thousand, two hundred thirty-one".