9964931 has 2 divisors, whose sum is σ = 9964932. Its totient is φ = 9964930.

The previous prime is 9964909. The next prime is 9964937. The reversal of 9964931 is 1394699.

It is a strong prime.

It is an emirp because it is prime and its reverse (1394699) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9964931 is a prime.

It is a super-2 number, since 2×9964931² = 198599699669522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9964937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4982465 + 4982466.

It is an arithmetic number, because the mean of its divisors is an integer number (4982466).

Almost surely, 2^9964931 is an apocalyptic number.

9964931 is a deficient number, since it is larger than the sum of its proper divisors (1).

9964931 is an equidigital number, since it uses as much as digits as its factorization.

9964931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 41.

The square root of 9964931 is about 3156.7278945136. The cubic root of 9964931 is about 215.1913277946.

The spelling of 9964931 in words is "nine million, nine hundred sixty-four thousand, nine hundred thirty-one".