10320989 has 16 divisors (see below), whose sum is σ = 12786048. Its totient is φ = 8128512.

The previous prime is 10320983. The next prime is 10321021. The reversal of 10320989 is 98902301.

10320989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10320989 - 2²⁰ = 9272413 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4109 + ... + 6125.

It is an arithmetic number, because the mean of its divisors is an integer number (799128).

Almost surely, 2^10320989 is an apocalyptic number.

It is an amenable number.

10320989 is a deficient number, since it is larger than the sum of its proper divisors (2465059).

10320989 is a wasteful number, since it uses less digits than its factorization.

10320989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 10320989 is about 3212.6296082804. The cubic root of 10320989 is about 217.7244013313.

The spelling of 10320989 in words is "ten million, three hundred twenty thousand, nine hundred eighty-nine".