9973940 has 24 divisors (see below), whose sum is σ = 21622272. Its totient is φ = 3860640.

The previous prime is 9973933. The next prime is 9973967. The reversal of 9973940 is 493799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7424 + ... + 8663.

It is an arithmetic number, because the mean of its divisors is an integer number (900928).

Almost surely, 2^9973940 is an apocalyptic number.

It is an amenable number.

9973940 is an abundant number, since it is smaller than the sum of its proper divisors (11648332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9973940 is a wasteful number, since it uses less digits than its factorization.

9973940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16127 (or 16125 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 9973940 is about 3158.1545244019. The cubic root of 9973940 is about 215.2561576376.

The spelling of 9973940 in words is "nine million, nine hundred seventy-three thousand, nine hundred forty".