98689131 has 32 divisors (see below), whose sum is σ = 155692800. Its totient is φ = 61568640.

The previous prime is 98689121. The next prime is 98689133. The reversal of 98689131 is 13198689.

It is not a de Polignac number, because 98689131 - 2⁹ = 98688619 is a prime.

It is a super-2 number, since 2×98689131² = 19479089155070322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98689133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96340 + ... + 97358.

It is an arithmetic number, because the mean of its divisors is an integer number (4865400).

Almost surely, 2^98689131 is an apocalyptic number.

98689131 is a deficient number, since it is larger than the sum of its proper divisors (57003669).

98689131 is a wasteful number, since it uses less digits than its factorization.

98689131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1250 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 98689131 is about 9934.2403333119. The cubic root of 98689131 is about 462.1217843897.

The spelling of 98689131 in words is "ninety-eight million, six hundred eighty-nine thousand, one hundred thirty-one".