320980408 has 16 divisors (see below), whose sum is σ = 687815280. Its totient is φ = 137563008.

The previous prime is 320980403. The next prime is 320980409. The reversal of 320980408 is 804089023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320980403) 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, 2865841 + ... + 2865952.

It is an arithmetic number, because the mean of its divisors is an integer number (42988455).

Almost surely, 2^320980408 is an apocalyptic number.

It is an amenable number.

320980408 is an abundant number, since it is smaller than the sum of its proper divisors (366834872).

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

320980408 is a wasteful number, since it uses less digits than its factorization.

320980408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5731806 (or 5731802 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 320980408 is about 17915.9260994234. The cubic root of 320980408 is about 684.6881973761.

The spelling of 320980408 in words is "three hundred twenty million, nine hundred eighty thousand, four hundred eight".