6694864 has 20 divisors (see below), whose sum is σ = 14150880. Its totient is φ = 3043040.

The previous prime is 6694861. The next prime is 6694871. The reversal of 6694864 is 4684966.

It is a self number, because there is not a number n which added to its sum of digits gives 6694864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6694861) 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 3 ways as a sum of consecutive naturals, for example, 18844 + ... + 19195.

It is an arithmetic number, because the mean of its divisors is an integer number (707544).

Almost surely, 2^6694864 is an apocalyptic number.

It is an amenable number.

6694864 is an abundant number, since it is smaller than the sum of its proper divisors (7456016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6694864 is a wasteful number, since it uses less digits than its factorization.

6694864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38058 (or 38052 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 6694864 is about 2587.4435259538. The cubic root of 6694864 is about 188.4721796147.

The spelling of 6694864 in words is "six million, six hundred ninety-four thousand, eight hundred sixty-four".