98647131 has 16 divisors (see below), whose sum is σ = 143740800. Its totient is φ = 59680320.

The previous prime is 98647127. The next prime is 98647139. The reversal of 98647131 is 13174689.

It is not a de Polignac number, because 98647131 - 2² = 98647127 is a prime.

It is a super-2 number, since 2×98647131² = 19462512909062322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 98647131.

It is not an unprimeable number, because it can be changed into a prime (98647139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18895 + ... + 23543.

It is an arithmetic number, because the mean of its divisors is an integer number (8983800).

Almost surely, 2^98647131 is an apocalyptic number.

98647131 is a deficient number, since it is larger than the sum of its proper divisors (45093669).

98647131 is a wasteful number, since it uses less digits than its factorization.

98647131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306.

The product of its digits is 36288, while the sum is 39.

The square root of 98647131 is about 9932.1262074140. The cubic root of 98647131 is about 462.0562186792.

The spelling of 98647131 in words is "ninety-eight million, six hundred forty-seven thousand, one hundred thirty-one".