6943321 has 8 divisors (see below), whose sum is σ = 8656704. Its totient is φ = 5410320.

The previous prime is 6943319. The next prime is 6943351. The reversal of 6943321 is 1233496.

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 6943321 - 2¹ = 6943319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6943321.

It is not an unprimeable number, because it can be changed into a prime (6943351) 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 7 ways as a sum of consecutive naturals, for example, 45010 + ... + 45163.

It is an arithmetic number, because the mean of its divisors is an integer number (1082088).

Almost surely, 2^6943321 is an apocalyptic number.

It is an amenable number.

6943321 is a deficient number, since it is larger than the sum of its proper divisors (1713383).

6943321 is a wasteful number, since it uses less digits than its factorization.

6943321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90191.

The product of its digits is 3888, while the sum is 28.

The square root of 6943321 is about 2635.0182162558. The cubic root of 6943321 is about 190.7754183545.

The spelling of 6943321 in words is "six million, nine hundred forty-three thousand, three hundred twenty-one".