98619631 has 8 divisors (see below), whose sum is σ = 107662464. Its totient is φ = 89589720.

The previous prime is 98619629. The next prime is 98619641. The reversal of 98619631 is 13691689.

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

It is not a de Polignac number, because 98619631 - 2¹ = 98619629 is a prime.

It is a super-2 number, since 2×98619631² = 19451663237152322, 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 (98619641) 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, 20086 + ... + 24508.

It is an arithmetic number, because the mean of its divisors is an integer number (13457808).

Almost surely, 2^98619631 is an apocalyptic number.

98619631 is a deficient number, since it is larger than the sum of its proper divisors (9042833).

98619631 is a wasteful number, since it uses less digits than its factorization.

98619631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461.

The product of its digits is 69984, while the sum is 43.

The square root of 98619631 is about 9930.7417144944. The cubic root of 98619631 is about 462.0132786673.

The spelling of 98619631 in words is "ninety-eight million, six hundred nineteen thousand, six hundred thirty-one".