320403104 has 48 divisors (see below), whose sum is σ = 744178176. Its totient is φ = 132883200.

The previous prime is 320403103. The next prime is 320403119. The reversal of 320403104 is 401304023.

It is not an unprimeable number, because it can be changed into a prime (320403103) 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, 16127 + ... + 30014.

It is an arithmetic number, because the mean of its divisors is an integer number (15503712).

Almost surely, 2^320403104 is an apocalyptic number.

It is an amenable number.

320403104 is an abundant number, since it is smaller than the sum of its proper divisors (423775072).

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

320403104 is a wasteful number, since it uses less digits than its factorization.

320403104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46189 (or 46181 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 320403104 is about 17899.8073732652. The cubic root of 320403104 is about 684.2774657166.

Adding to 320403104 its reverse (401304023), we get a palindrome (721707127).

The spelling of 320403104 in words is "three hundred twenty million, four hundred three thousand, one hundred four".