9983631 has 16 divisors (see below), whose sum is σ = 15296000. Its totient is φ = 5673888.

The previous prime is 9983629. The next prime is 9983639. The reversal of 9983631 is 1363899.

9983631 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9983631 - 2¹ = 9983629 is a prime.

It is a super-2 number, since 2×9983631² = 199345775888322, which contains 22 as substring.

It is a Duffinian number.

9983631 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 9983631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9983639) 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, 2985 + ... + 5373.

It is an arithmetic number, because the mean of its divisors is an integer number (956000).

Almost surely, 2^9983631 is an apocalyptic number.

9983631 is a deficient number, since it is larger than the sum of its proper divisors (5312369).

9983631 is a wasteful number, since it uses less digits than its factorization.

9983631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598.

The product of its digits is 34992, while the sum is 39.

The square root of 9983631 is about 3159.6884340074. The cubic root of 9983631 is about 215.3258516657.

The spelling of 9983631 in words is "nine million, nine hundred eighty-three thousand, six hundred thirty-one".