98949915 has 12 divisors (see below), whose sum is σ = 171513264. Its totient is φ = 52773264.

The previous prime is 98949913. The next prime is 98949953. The reversal of 98949915 is 51994989.

It is not a de Polignac number, because 98949915 - 2¹ = 98949913 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (98949913) 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 11 ways as a sum of consecutive naturals, for example, 1099399 + ... + 1099488.

It is an arithmetic number, because the mean of its divisors is an integer number (14292772).

Almost surely, 2^98949915 is an apocalyptic number.

98949915 is a deficient number, since it is larger than the sum of its proper divisors (72563349).

98949915 is a wasteful number, since it uses less digits than its factorization.

98949915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198898 (or 2198895 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The square root of 98949915 is about 9947.3571867104. The cubic root of 98949915 is about 462.5284754808.

The spelling of 98949915 in words is "ninety-eight million, nine hundred forty-nine thousand, nine hundred fifteen".