98992631 has 4 divisors (see below), whose sum is σ = 102406200. Its totient is φ = 95579064.

The previous prime is 98992583. The next prime is 98992637. The reversal of 98992631 is 13629989.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98992631 is a prime.

It is a super-2 number, since 2×98992631² = 19599081984604322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98992637) 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, 1706741 + ... + 1706798.

It is an arithmetic number, because the mean of its divisors is an integer number (25601550).

Almost surely, 2^98992631 is an apocalyptic number.

98992631 is a deficient number, since it is larger than the sum of its proper divisors (3413569).

98992631 is a wasteful number, since it uses less digits than its factorization.

98992631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413568.

The product of its digits is 209952, while the sum is 47.

The square root of 98992631 is about 9949.5040579920. The cubic root of 98992631 is about 462.5950226964.

The spelling of 98992631 in words is "ninety-eight million, nine hundred ninety-two thousand, six hundred thirty-one".