320876608 has 56 divisors (see below), whose sum is σ = 691990488. Its totient is φ = 146743296.

The previous prime is 320876603. The next prime is 320876627. The reversal of 320876608 is 806678023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6594624 + 314281984 = 2568^2 + 17728^2 .

It is not an unprimeable number, because it can be changed into a prime (320876603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92310 + ... + 95722.

It is an arithmetic number, because the mean of its divisors is an integer number (12356973).

Almost surely, 2^320876608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320876608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345995244).

320876608 is an abundant number, since it is smaller than the sum of its proper divisors (371113880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320876608 is a wasteful number, since it uses less digits than its factorization.

320876608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551 (or 3541 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 320876608 is about 17913.0290012605. The cubic root of 320876608 is about 684.6143836318.

The spelling of 320876608 in words is "three hundred twenty million, eight hundred seventy-six thousand, six hundred eight".