6983321 has 4 divisors (see below), whose sum is σ = 7055412. Its totient is φ = 6911232.

The previous prime is 6983309. The next prime is 6983323. The reversal of 6983321 is 1233896.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5569600 + 1413721 = 2360^2 + 1189^2 .

It is a cyclic number.

It is not a de Polignac number, because 6983321 - 2⁶ = 6983257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6983323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35900 + ... + 36093.

It is an arithmetic number, because the mean of its divisors is an integer number (1763853).

Almost surely, 2^6983321 is an apocalyptic number.

It is an amenable number.

6983321 is a deficient number, since it is larger than the sum of its proper divisors (72091).

6983321 is an equidigital number, since it uses as much as digits as its factorization.

6983321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72090.

The product of its digits is 7776, while the sum is 32.

The square root of 6983321 is about 2642.5973965022. The cubic root of 6983321 is about 191.1410651650.

The spelling of 6983321 in words is "six million, nine hundred eighty-three thousand, three hundred twenty-one".