6864164 has 6 divisors (see below), whose sum is σ = 12012294. Its totient is φ = 3432080.

The previous prime is 6864139. The next prime is 6864167. The reversal of 6864164 is 4614686.

It can be written as a sum of positive squares in only one way, i.e., 6801664 + 62500 = 2608^2 + 250^2 .

It is not an unprimeable number, because it can be changed into a prime (6864167) 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 as a sum of consecutive naturals, namely, 858017 + ... + 858024.

It is an arithmetic number, because the mean of its divisors is an integer number (2002049).

Almost surely, 2^6864164 is an apocalyptic number.

It is an amenable number.

6864164 is a deficient number, since it is larger than the sum of its proper divisors (5148130).

6864164 is a wasteful number, since it uses less digits than its factorization.

6864164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716045 (or 1716043 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 6864164 is about 2619.9549614449. The cubic root of 6864164 is about 190.0476704024.

The spelling of 6864164 in words is "six million, eight hundred sixty-four thousand, one hundred sixty-four".