320001474 has 64 divisors (see below), whose sum is σ = 721405440. Its totient is φ = 93972480.

The previous prime is 320001469. The next prime is 320001509. The reversal of 320001474 is 474100023.

It is a self number, because there is not a number n which added to its sum of digits gives 320001474.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 149242 + ... + 151370.

It is an arithmetic number, because the mean of its divisors is an integer number (11271960).

Almost surely, 2^320001474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320001474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360702720).

320001474 is an abundant number, since it is smaller than the sum of its proper divisors (401403966).

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

320001474 is a wasteful number, since it uses less digits than its factorization.

320001474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 320001474 is about 17888.5850195034. The cubic root of 320001474 is about 683.9914288793.

Adding to 320001474 its reverse (474100023), we get a palindrome (794101497).

The spelling of 320001474 in words is "three hundred twenty million, one thousand, four hundred seventy-four".