9973996 has 12 divisors (see below), whose sum is σ = 18213552. Its totient is φ = 4770128.

The previous prime is 9973981. The next prime is 9974021. The reversal of 9973996 is 6993799.

It is an Ulam 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, 54115 + ... + 54298.

It is an arithmetic number, because the mean of its divisors is an integer number (1517796).

Almost surely, 2^9973996 is an apocalyptic number.

It is an amenable number.

9973996 is a deficient number, since it is larger than the sum of its proper divisors (8239556).

9973996 is a wasteful number, since it uses less digits than its factorization.

9973996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108440 (or 108438 counting only the distinct ones).

The product of its digits is 826686, while the sum is 52.

The square root of 9973996 is about 3158.1633903267. The cubic root of 9973996 is about 215.2565604982.

The spelling of 9973996 in words is "nine million, nine hundred seventy-three thousand, nine hundred ninety-six".