320676442 has 8 divisors (see below), whose sum is σ = 501928416. Its totient is φ = 153366972.

The previous prime is 320676439. The next prime is 320676449. The reversal of 320676442 is 244676023.

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

It is a junction number, because it is equal to n+sod(n) for n = 320676398 and 320676407.

It is not an unprimeable number, because it can be changed into a prime (320676449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3485568 + ... + 3485659.

It is an arithmetic number, because the mean of its divisors is an integer number (62741052).

Almost surely, 2^320676442 is an apocalyptic number.

320676442 is a deficient number, since it is larger than the sum of its proper divisors (181251974).

320676442 is a wasteful number, since it uses less digits than its factorization.

320676442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971252.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 320676442 is about 17907.4409673744. The cubic root of 320676442 is about 684.4719976137.

The spelling of 320676442 in words is "three hundred twenty million, six hundred seventy-six thousand, four hundred forty-two".