9967964 has 12 divisors (see below), whose sum is σ = 17466288. Its totient is φ = 4977600.

The previous prime is 9967891. The next prime is 9967987. The reversal of 9967964 is 4697699.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4529 + ... + 6359.

It is an arithmetic number, because the mean of its divisors is an integer number (1455524).

Almost surely, 2^9967964 is an apocalyptic number.

It is an amenable number.

9967964 is a deficient number, since it is larger than the sum of its proper divisors (7498324).

9967964 is a wasteful number, since it uses less digits than its factorization.

9967964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196 (or 3194 counting only the distinct ones).

The product of its digits is 734832, while the sum is 50.

The square root of 9967964 is about 3157.2082604732. The cubic root of 9967964 is about 215.2131579873.

The spelling of 9967964 in words is "nine million, nine hundred sixty-seven thousand, nine hundred sixty-four".