9720886 has 8 divisors (see below), whose sum is σ = 16664400. Its totient is φ = 4166088.

The previous prime is 9720883. The next prime is 9720901. The reversal of 9720886 is 6880279.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9720883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347161 + ... + 347188.

It is an arithmetic number, because the mean of its divisors is an integer number (2083050).

Almost surely, 2^9720886 is an apocalyptic number.

9720886 is a deficient number, since it is larger than the sum of its proper divisors (6943514).

9720886 is a wasteful number, since it uses less digits than its factorization.

9720886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694358.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 9720886 is about 3117.8335427024. The cubic root of 9720886 is about 213.4200824499.

The spelling of 9720886 in words is "nine million, seven hundred twenty thousand, eight hundred eighty-six".