9972964 has 9 divisors (see below), whose sum is σ = 17463747.
Its totient is φ = 4983324.
The previous prime is 9972913. The next prime is 9972973. The reversal of 9972964 is 4692799.
The square root of 9972964 is 3158.
It is a perfect power (a square), and thus also a powerful number.
It is a super-3 number, since 3×99729643 (a number of 22 digits) contains 333 as substring.
It is a d-powerful number, because it can be written as 9 + 94 + 78 + 29 + 94 + 63 + 411 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5527 + ... + 7105.
Almost surely, 29972964 is an apocalyptic number.
9972964 is the 3158-th square number.
It is an amenable number.
9972964 is a deficient number, since it is larger than the sum of its proper divisors (7490783).
9972964 is an equidigital number, since it uses as much as digits as its factorization.
9972964 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3162 (or 1581 counting only the distinct ones).
The product of its digits is 244944, while the sum is 46.
The cubic root of 9972964 is about 215.2491361108.
The spelling of 9972964 in words is "nine million, nine hundred seventy-two thousand, nine hundred sixty-four".