9720993 has 8 divisors (see below), whose sum is σ = 13017888. Its totient is φ = 6452384.

The previous prime is 9720959. The next prime is 9721013. The reversal of 9720993 is 3990279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9720993 - 2¹⁸ = 9458849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9724993) 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, 6255 + ... + 7652.

It is an arithmetic number, because the mean of its divisors is an integer number (1627236).

Almost surely, 2^9720993 is an apocalyptic number.

It is an amenable number.

9720993 is a deficient number, since it is larger than the sum of its proper divisors (3296895).

9720993 is a wasteful number, since it uses less digits than its factorization.

9720993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14143.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 9720993 is about 3117.8507020061. The cubic root of 9720993 is about 213.4208655015.

The spelling of 9720993 in words is "nine million, seven hundred twenty thousand, nine hundred ninety-three".