9993964 has 12 divisors (see below), whose sum is σ = 17542000. Its totient is φ = 4981968.

The previous prime is 9993941. The next prime is 9993967. The reversal of 9993964 is 4693999.

It is not an unprimeable number, because it can be changed into a prime (9993967) 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, 2184 + ... + 4975.

Almost surely, 2^9993964 is an apocalyptic number.

It is an amenable number.

9993964 is a deficient number, since it is larger than the sum of its proper divisors (7548036).

9993964 is a wasteful number, since it uses less digits than its factorization.

9993964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7512 (or 7510 counting only the distinct ones).

The product of its digits is 472392, while the sum is 49.

The square root of 9993964 is about 3161.3231407118. The cubic root of 9993964 is about 215.4001130528.

The spelling of 9993964 in words is "nine million, nine hundred ninety-three thousand, nine hundred sixty-four".