99028931 has 8 divisors (see below), whose sum is σ = 104582400. Its totient is φ = 93509640.

The previous prime is 99028913. The next prime is 99028987. The reversal of 99028931 is 13982099.

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

It is not a de Polignac number, because 99028931 - 2¹⁴ = 99012547 is a prime.

It is a super-2 number, since 2×99028931² = 19613458350005522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99028991) 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, 2471 + ... + 14288.

It is an arithmetic number, because the mean of its divisors is an integer number (13072800).

Almost surely, 2^99028931 is an apocalyptic number.

99028931 is a deficient number, since it is larger than the sum of its proper divisors (5553469).

99028931 is a wasteful number, since it uses less digits than its factorization.

99028931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17089.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 99028931 is about 9951.3281023188. The cubic root of 99028931 is about 462.6515593869.

The spelling of 99028931 in words is "ninety-nine million, twenty-eight thousand, nine hundred thirty-one".