9973660 has 24 divisors (see below), whose sum is σ = 21457296. Its totient is φ = 3891840.

The previous prime is 9973631. The next prime is 9973669. The reversal of 9973660 is 663799.

9973660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5262 + ... + 6901.

It is an arithmetic number, because the mean of its divisors is an integer number (894054).

Almost surely, 2^9973660 is an apocalyptic number.

It is an amenable number.

9973660 is an abundant number, since it is smaller than the sum of its proper divisors (11483636).

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

9973660 is a wasteful number, since it uses less digits than its factorization.

9973660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12213 (or 12211 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 9973660 is about 3158.1101944042. The cubic root of 9973660 is about 215.2541433120.

The spelling of 9973660 in words is "nine million, nine hundred seventy-three thousand, six hundred sixty".