99492931 has 4 divisors (see below), whose sum is σ = 99736600. Its totient is φ = 99249264.

The previous prime is 99492929. The next prime is 99492961. The reversal of 99492931 is 13929499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13929499 = 277 ⋅50287.

It is a cyclic number.

It is not a de Polignac number, because 99492931 - 2¹ = 99492929 is a prime.

It is a super-2 number, since 2×99492931² = 19797686637941522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99492961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121221 + ... + 122038.

It is an arithmetic number, because the mean of its divisors is an integer number (24934150).

Almost surely, 2^99492931 is an apocalyptic number.

99492931 is the 6309-th centered pentagonal number.

99492931 is a deficient number, since it is larger than the sum of its proper divisors (243669).

99492931 is a wasteful number, since it uses less digits than its factorization.

99492931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243668.

The product of its digits is 157464, while the sum is 46.

The square root of 99492931 is about 9974.6143283838. The cubic root of 99492931 is about 463.3730182986.

It can be divided in two parts, 9949 and 2931, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 99492931 in words is "ninety-nine million, four hundred ninety-two thousand, nine hundred thirty-one".