6380321 has 8 divisors (see below), whose sum is σ = 6833160. Its totient is φ = 5936128.

The previous prime is 6380281. The next prime is 6380347. The reversal of 6380321 is 1230836.

It can be written as a sum of positive squares in 4 ways, for example, as 2016400 + 4363921 = 1420^2 + 2089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6380321 - 2¹⁴ = 6363937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6380351) 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, 596 + ... + 3621.

It is an arithmetic number, because the mean of its divisors is an integer number (854145).

Almost surely, 2^6380321 is an apocalyptic number.

It is an amenable number.

6380321 is a deficient number, since it is larger than the sum of its proper divisors (452839).

6380321 is a wasteful number, since it uses less digits than its factorization.

6380321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6380321 is about 2525.9297298223. The cubic root of 6380321 is about 185.4730624955.

The spelling of 6380321 in words is "six million, three hundred eighty thousand, three hundred twenty-one".