321608474 has 16 divisors (see below), whose sum is σ = 529030656. Its totient is φ = 145418400.

The previous prime is 321608467. The next prime is 321608479. The reversal of 321608474 is 474806123.

It is not an unprimeable number, because it can be changed into a prime (321608479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34067 + ... + 42470.

It is an arithmetic number, because the mean of its divisors is an integer number (33064416).

Almost surely, 2^321608474 is an apocalyptic number.

321608474 is a deficient number, since it is larger than the sum of its proper divisors (207422182).

321608474 is a wasteful number, since it uses less digits than its factorization.

321608474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76741.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 321608474 is about 17933.4456811846. The cubic root of 321608474 is about 685.1344854673.

The spelling of 321608474 in words is "three hundred twenty-one million, six hundred eight thousand, four hundred seventy-four".