6938321 has 8 divisors (see below), whose sum is σ = 7494144. Its totient is φ = 6385680.

The previous prime is 6938303. The next prime is 6938339. The reversal of 6938321 is 1238396.

It is an interprime number because it is at equal distance from previous prime (6938303) and next prime (6938339).

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

It is a cyclic number.

It is not a de Polignac number, because 6938321 - 2⁶ = 6938257 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6938381) 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, 5840 + ... + 6926.

It is an arithmetic number, because the mean of its divisors is an integer number (936768).

Almost surely, 2^6938321 is an apocalyptic number.

It is an amenable number.

6938321 is a deficient number, since it is larger than the sum of its proper divisors (555823).

6938321 is a wasteful number, since it uses less digits than its factorization.

6938321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591.

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

The square root of 6938321 is about 2634.0692853454. The cubic root of 6938321 is about 190.7296138492.

The spelling of 6938321 in words is "six million, nine hundred thirty-eight thousand, three hundred twenty-one".