321385046 has 4 divisors (see below), whose sum is σ = 482077572. Its totient is φ = 160692522.

The previous prime is 321385033. The next prime is 321385067. The reversal of 321385046 is 640583123.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80346260 + ... + 80346263.

It is an arithmetic number, because the mean of its divisors is an integer number (120519393).

Almost surely, 2^321385046 is an apocalyptic number.

321385046 is a deficient number, since it is larger than the sum of its proper divisors (160692526).

321385046 is a wasteful number, since it uses less digits than its factorization.

321385046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160692525.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 321385046 is about 17927.2152327125. The cubic root of 321385046 is about 684.9757897210.

The spelling of 321385046 in words is "three hundred twenty-one million, three hundred eighty-five thousand, forty-six".