9720086 has 4 divisors (see below), whose sum is σ = 14580132. Its totient is φ = 4860042.

The previous prime is 9720083. The next prime is 9720089. The reversal of 9720086 is 6800279.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (9720083) and next prime (9720089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9720083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2430020 + ... + 2430023.

It is an arithmetic number, because the mean of its divisors is an integer number (3645033).

Almost surely, 2^9720086 is an apocalyptic number.

9720086 is a deficient number, since it is larger than the sum of its proper divisors (4860046).

9720086 is a wasteful number, since it uses less digits than its factorization.

9720086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860045.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 9720086 is about 3117.7052458499. The cubic root of 9720086 is about 213.4142276767.

The spelling of 9720086 in words is "nine million, seven hundred twenty thousand, eighty-six".