986233631 has 16 divisors (see below), whose sum is σ = 1080747360. Its totient is φ = 896163840.

The previous prime is 986233607. The next prime is 986233643. The reversal of 986233631 is 136332689.

It is not a de Polignac number, because 986233631 - 2¹⁰ = 986232607 is a prime.

It is a super-2 number, since 2×986233631² = 1945313549830888322, 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 (986233601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76415 + ... + 88383.

It is an arithmetic number, because the mean of its divisors is an integer number (67546710).

Almost surely, 2^986233631 is an apocalyptic number.

986233631 is a deficient number, since it is larger than the sum of its proper divisors (94513729).

986233631 is a wasteful number, since it uses less digits than its factorization.

986233631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12154.

The product of its digits is 139968, while the sum is 41.

The square root of 986233631 is about 31404.3568792612. The cubic root of 986233631 is about 995.3899908062.

The spelling of 986233631 in words is "nine hundred eighty-six million, two hundred thirty-three thousand, six hundred thirty-one".