9964131 has 12 divisors (see below), whose sum is σ = 13461912. Its totient is φ = 6555648.

The previous prime is 9964111. The next prime is 9964133. The reversal of 9964131 is 1314699.

It is not a de Polignac number, because 9964131 - 2⁵ = 9964099 is a prime.

It is a super-2 number, since 2×9964131² = 198567813170322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9964092 and 9964101.

It is not an unprimeable number, because it can be changed into a prime (9964133) 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, 28051 + ... + 28403.

It is an arithmetic number, because the mean of its divisors is an integer number (1121826).

Almost surely, 2^9964131 is an apocalyptic number.

9964131 is a deficient number, since it is larger than the sum of its proper divisors (3497781).

9964131 is an equidigital number, since it uses as much as digits as its factorization.

9964131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 453 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 9964131 is about 3156.6011784830. The cubic root of 9964131 is about 215.1855690101.

The spelling of 9964131 in words is "nine million, nine hundred sixty-four thousand, one hundred thirty-one".