9973976 has 8 divisors (see below), whose sum is σ = 18701220. Its totient is φ = 4986984.

The previous prime is 9973967. The next prime is 9973981. The reversal of 9973976 is 6793799.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623366 + ... + 623381.

Almost surely, 2^9973976 is an apocalyptic number.

It is an amenable number.

9973976 is a deficient number, since it is larger than the sum of its proper divisors (8727244).

9973976 is a wasteful number, since it uses less digits than its factorization.

9973976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246753 (or 1246749 counting only the distinct ones).

The product of its digits is 642978, while the sum is 50.

The square root of 9973976 is about 3158.1602239278. The cubic root of 9973976 is about 215.2564166196.

The spelling of 9973976 in words is "nine million, nine hundred seventy-three thousand, nine hundred seventy-six".