9720893 has 8 divisors (see below), whose sum is σ = 11964288. Its totient is φ = 7691184.

The previous prime is 9720883. The next prime is 9720901. The reversal of 9720893 is 3980279.

9720893 is nontrivially palindromic in base 3.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9720893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9720803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53321 + ... + 53502.

It is an arithmetic number, because the mean of its divisors is an integer number (1495536).

Almost surely, 2^9720893 is an apocalyptic number.

It is an amenable number.

9720893 is a deficient number, since it is larger than the sum of its proper divisors (2243395).

9720893 is a wasteful number, since it uses less digits than its factorization.

9720893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106843.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 9720893 is about 3117.8346652765. The cubic root of 9720893 is about 213.4201336777.

The spelling of 9720893 in words is "nine million, seven hundred twenty thousand, eight hundred ninety-three".