6894321 has 32 divisors (see below), whose sum is σ = 11381760. Its totient is φ = 3623616.

The previous prime is 6894317. The next prime is 6894323. The reversal of 6894321 is 1234986.

6894321 = 9² + 10² + ... + 274².

6894321 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6894321 - 2² = 6894317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6894323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14530 + ... + 14996.

It is an arithmetic number, because the mean of its divisors is an integer number (355680).

Almost surely, 2^6894321 is an apocalyptic number.

It is an amenable number.

6894321 is a deficient number, since it is larger than the sum of its proper divisors (4487439).

6894321 is a wasteful number, since it uses less digits than its factorization.

6894321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533.

The product of its digits is 10368, while the sum is 33.

The square root of 6894321 is about 2625.7039056223. The cubic root of 6894321 is about 190.3255821179.

The spelling of 6894321 in words is "six million, eight hundred ninety-four thousand, three hundred twenty-one".