98986531 has 8 divisors (see below), whose sum is σ = 114129504. Its totient is φ = 84094080.

The previous prime is 98986513. The next prime is 98986553. The reversal of 98986531 is 13568989.

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

It is a de Polignac number, because none of the positive numbers 2^k-98986531 is a prime.

It is a super-2 number, since 2×98986531² = 19596666638827922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98986501) 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, 61780 + ... + 63361.

It is an arithmetic number, because the mean of its divisors is an integer number (14266188).

Almost surely, 2^98986531 is an apocalyptic number.

98986531 is a deficient number, since it is larger than the sum of its proper divisors (15142973).

98986531 is a wasteful number, since it uses less digits than its factorization.

98986531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125261.

The product of its digits is 466560, while the sum is 49.

The square root of 98986531 is about 9949.1975053267. The cubic root of 98986531 is about 462.5855206841.

The spelling of 98986531 in words is "ninety-eight million, nine hundred eighty-six thousand, five hundred thirty-one".