320765683 has 16 divisors (see below), whose sum is σ = 370656000. Its totient is φ = 271908000.

The previous prime is 320765677. The next prime is 320765689. The reversal of 320765683 is 386567023.

It is an interprime number because it is at equal distance from previous prime (320765677) and next prime (320765689).

It is not a de Polignac number, because 320765683 - 2⁵ = 320765651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320765689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457233 + ... + 457933.

It is an arithmetic number, because the mean of its divisors is an integer number (23166000).

Almost surely, 2^320765683 is an apocalyptic number.

320765683 is a deficient number, since it is larger than the sum of its proper divisors (49890317).

320765683 is a wasteful number, since it uses less digits than its factorization.

320765683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 320765683 is about 17909.9325236027. The cubic root of 320765683 is about 684.5354855953.

The spelling of 320765683 in words is "three hundred twenty million, seven hundred sixty-five thousand, six hundred eighty-three".