320196840 has 32 divisors (see below), whose sum is σ = 960590880. Its totient is φ = 85385792.

The previous prime is 320196829. The next prime is 320196841. The reversal of 320196840 is 48691023.

It is not an unprimeable number, because it can be changed into a prime (320196841) 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 7 ways as a sum of consecutive naturals, for example, 1334034 + ... + 1334273.

It is an arithmetic number, because the mean of its divisors is an integer number (30018465).

Almost surely, 2^320196840 is an apocalyptic number.

320196840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320196840 is an abundant number, since it is smaller than the sum of its proper divisors (640394040).

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

320196840 is a wasteful number, since it uses less digits than its factorization.

320196840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668321 (or 2668317 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 320196840 is about 17894.0448194364. The cubic root of 320196840 is about 684.1305964513.

The spelling of 320196840 in words is "three hundred twenty million, one hundred ninety-six thousand, eight hundred forty".