6894393 has 16 divisors (see below), whose sum is σ = 10072512. Its totient is φ = 4160000.

The previous prime is 6894343. The next prime is 6894421. The reversal of 6894393 is 3934986.

6894393 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6894393 - 2¹⁷ = 6763321 is a prime.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 12973 + ... + 13493.

It is an arithmetic number, because the mean of its divisors is an integer number (629532).

Almost surely, 2^6894393 is an apocalyptic number.

It is an amenable number.

6894393 is a deficient number, since it is larger than the sum of its proper divisors (3178119).

6894393 is a wasteful number, since it uses less digits than its factorization.

6894393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

The product of its digits is 139968, while the sum is 42.

The square root of 6894393 is about 2625.7176161956. The cubic root of 6894393 is about 190.3262446629.

The spelling of 6894393 in words is "six million, eight hundred ninety-four thousand, three hundred ninety-three".