6894164 has 6 divisors (see below), whose sum is σ = 12064794. Its totient is φ = 3447080.

The previous prime is 6894161. The next prime is 6894179. The reversal of 6894164 is 4614986.

It can be written as a sum of positive squares in only one way, i.e., 5098564 + 1795600 = 2258^2 + 1340^2 .

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6894161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861767 + ... + 861774.

It is an arithmetic number, because the mean of its divisors is an integer number (2010799).

Almost surely, 2^6894164 is an apocalyptic number.

It is an amenable number.

6894164 is a deficient number, since it is larger than the sum of its proper divisors (5170630).

6894164 is a wasteful number, since it uses less digits than its factorization.

6894164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723545 (or 1723543 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 6894164 is about 2625.6740087071. The cubic root of 6894164 is about 190.3241373857.

The spelling of 6894164 in words is "six million, eight hundred ninety-four thousand, one hundred sixty-four".