320486874 has 16 divisors (see below), whose sum is σ = 643775520. Its totient is φ = 106362000.

The previous prime is 320486867. The next prime is 320486893. The reversal of 320486874 is 478684023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115252 + ... + 117999.

It is an arithmetic number, because the mean of its divisors is an integer number (40235970).

Almost surely, 2^320486874 is an apocalyptic number.

320486874 is an abundant number, since it is smaller than the sum of its proper divisors (323288646).

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

320486874 is a wasteful number, since it uses less digits than its factorization.

320486874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233485.

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 320486874 is about 17902.1471896530. The cubic root of 320486874 is about 684.3370957344.

The spelling of 320486874 in words is "three hundred twenty million, four hundred eighty-six thousand, eight hundred seventy-four".