320676845 has 8 divisors (see below), whose sum is σ = 385317240. Its totient is φ = 256204800.

The previous prime is 320676823. The next prime is 320676857. The reversal of 320676845 is 548676023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39980329 + 280696516 = 6323^2 + 16754^2 .

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

It is not a de Polignac number, because 320676845 - 2⁸ = 320676589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37856 + ... + 45545.

It is an arithmetic number, because the mean of its divisors is an integer number (48164655).

Almost surely, 2^320676845 is an apocalyptic number.

It is an amenable number.

320676845 is a deficient number, since it is larger than the sum of its proper divisors (64640395).

320676845 is an equidigital number, since it uses as much as digits as its factorization.

320676845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84175.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 320676845 is about 17907.4522196766. The cubic root of 320676845 is about 684.4722843431.

The spelling of 320676845 in words is "three hundred twenty million, six hundred seventy-six thousand, eight hundred forty-five".