98949931 has 4 divisors (see below), whose sum is σ = 100343664. Its totient is φ = 97556200.

The previous prime is 98949913. The next prime is 98949953. The reversal of 98949931 is 13994989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13994989 = 1373 ⋅10193.

It is a cyclic number.

It is not a de Polignac number, because 98949931 - 2¹⁵ = 98917163 is a prime.

It is a super-2 number, since 2×98949931² = 19582177689809522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98949901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696760 + ... + 696901.

It is an arithmetic number, because the mean of its divisors is an integer number (25085916).

Almost surely, 2^98949931 is an apocalyptic number.

98949931 is a deficient number, since it is larger than the sum of its proper divisors (1393733).

98949931 is a wasteful number, since it uses less digits than its factorization.

98949931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393732.

The product of its digits is 629856, while the sum is 52.

The square root of 98949931 is about 9947.3579909441. The cubic root of 98949931 is about 462.5285004107.

The spelling of 98949931 in words is "ninety-eight million, nine hundred forty-nine thousand, nine hundred thirty-one".