9766631 has 12 divisors (see below), whose sum is σ = 11670408. Its totient is φ = 8143632.

The previous prime is 9766609. The next prime is 9766637. The reversal of 9766631 is 1366679.

9766631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9766631 - 2⁶ = 9766567 is a prime.

It is a super-2 number, since 2×9766631² = 190774162180322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9766637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 881 + ... + 4506.

It is an arithmetic number, because the mean of its divisors is an integer number (972534).

Almost surely, 2^9766631 is an apocalyptic number.

9766631 is a deficient number, since it is larger than the sum of its proper divisors (1903777).

9766631 is a wasteful number, since it uses less digits than its factorization.

9766631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438 (or 5431 counting only the distinct ones).

The product of its digits is 40824, while the sum is 38.

The square root of 9766631 is about 3125.1609558549. The cubic root of 9766631 is about 213.7543327553.

The spelling of 9766631 in words is "nine million, seven hundred sixty-six thousand, six hundred thirty-one".