320499982 has 8 divisors (see below), whose sum is σ = 524454552. Its totient is φ = 145681800.

The previous prime is 320499937. The next prime is 320499983. The reversal of 320499982 is 289994023.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320499983) 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, 7284069 + ... + 7284112.

It is an arithmetic number, because the mean of its divisors is an integer number (65556819).

Almost surely, 2^320499982 is an apocalyptic number.

320499982 is a deficient number, since it is larger than the sum of its proper divisors (203954570).

320499982 is a wasteful number, since it uses less digits than its factorization.

320499982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14568194.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 320499982 is about 17902.5132872455. The cubic root of 320499982 is about 684.3464254647.

The spelling of 320499982 in words is "three hundred twenty million, four hundred ninety-nine thousand, nine hundred eighty-two".