321392083 has 4 divisors (see below), whose sum is σ = 325003320. Its totient is φ = 317780848.

The previous prime is 321392069. The next prime is 321392117. The reversal of 321392083 is 380293123.

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

It is a cyclic number.

It is not a de Polignac number, because 321392083 - 2⁵ = 321392051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321392483) 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 3 ways as a sum of consecutive naturals, for example, 1805485 + ... + 1805662.

It is an arithmetic number, because the mean of its divisors is an integer number (81250830).

Almost surely, 2^321392083 is an apocalyptic number.

321392083 is a deficient number, since it is larger than the sum of its proper divisors (3611237).

321392083 is an equidigital number, since it uses as much as digits as its factorization.

321392083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611236.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 321392083 is about 17927.4114974806. The cubic root of 321392083 is about 684.9807890611.

The spelling of 321392083 in words is "three hundred twenty-one million, three hundred ninety-two thousand, eighty-three".