6940321 has 8 divisors (see below), whose sum is σ = 7084800. Its totient is φ = 6797280.

The previous prime is 6940289. The next prime is 6940331. The reversal of 6940321 is 1230496.

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 6940321 - 2⁵ = 6940289 is a prime.

It is a Duffinian number.

6940321 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940331) 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, 16765 + ... + 17173.

It is an arithmetic number, because the mean of its divisors is an integer number (885600).

Almost surely, 2^6940321 is an apocalyptic number.

It is an amenable number.

6940321 is a deficient number, since it is larger than the sum of its proper divisors (144479).

6940321 is a wasteful number, since it uses less digits than its factorization.

6940321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 6940321 is about 2634.4488987263. The cubic root of 6940321 is about 190.7479382912.

The spelling of 6940321 in words is "six million, nine hundred forty thousand, three hundred twenty-one".