9964331 has 4 divisors (see below), whose sum is σ = 10730832. Its totient is φ = 9197832.

The previous prime is 9964327. The next prime is 9964343. The reversal of 9964331 is 1334699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1334699 = 53 ⋅25183.

It is a cyclic number.

It is not a de Polignac number, because 9964331 - 2² = 9964327 is a prime.

It is a super-2 number, since 2×9964331² = 198575784555122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9964291 and 9964300.

It is not an unprimeable number, because it can be changed into a prime (9964301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383231 + ... + 383256.

It is an arithmetic number, because the mean of its divisors is an integer number (2682708).

Almost surely, 2^9964331 is an apocalyptic number.

9964331 is a deficient number, since it is larger than the sum of its proper divisors (766501).

9964331 is a wasteful number, since it uses less digits than its factorization.

9964331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766500.

The product of its digits is 17496, while the sum is 35.

The square root of 9964331 is about 3156.6328579675. The cubic root of 9964331 is about 215.1870087352.

The spelling of 9964331 in words is "nine million, nine hundred sixty-four thousand, three hundred thirty-one".