6845321 has 8 divisors (see below), whose sum is σ = 7971264. Its totient is φ = 5756400.

The previous prime is 6845317. The next prime is 6845341. The reversal of 6845321 is 1235486.

6845321 = T₁₃₉₅ + T₁₃₉₆ + ... + T₁₄₀₁.

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 6845321 - 2² = 6845317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6845341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8855 + ... + 9596.

It is an arithmetic number, because the mean of its divisors is an integer number (996408).

Almost surely, 2^6845321 is an apocalyptic number.

It is an amenable number.

6845321 is a deficient number, since it is larger than the sum of its proper divisors (1125943).

6845321 is a wasteful number, since it uses less digits than its factorization.

6845321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18511.

The product of its digits is 5760, while the sum is 29.

The square root of 6845321 is about 2616.3564359620. The cubic root of 6845321 is about 189.8736093860.

The spelling of 6845321 in words is "six million, eight hundred forty-five thousand, three hundred twenty-one".