98729131 has 4 divisors (see below), whose sum is σ = 98964064. Its totient is φ = 98494200.

The previous prime is 98729129. The next prime is 98729153. The reversal of 98729131 is 13192789.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98729131 - 2¹ = 98729129 is a prime.

It is a super-2 number, since 2×98729131² = 19494882616030322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98729531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116835 + ... + 117676.

It is an arithmetic number, because the mean of its divisors is an integer number (24741016).

Almost surely, 2^98729131 is an apocalyptic number.

98729131 is a deficient number, since it is larger than the sum of its proper divisors (234933).

98729131 is a wasteful number, since it uses less digits than its factorization.

98729131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234932.

The product of its digits is 27216, while the sum is 40.

The square root of 98729131 is about 9936.2533683476. The cubic root of 98729131 is about 462.1842106311.

The spelling of 98729131 in words is "ninety-eight million, seven hundred twenty-nine thousand, one hundred thirty-one".