6694464 has 112 divisors (see below), whose sum is σ = 21506688. Its totient is φ = 1794048.

The previous prime is 6694463. The next prime is 6694469. The reversal of 6694464 is 4644966.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6694463) 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, 22702 + ... + 22994.

It is an arithmetic number, because the mean of its divisors is an integer number (192024).

Almost surely, 2^6694464 is an apocalyptic number.

6694464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6694464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10753344).

6694464 is an abundant number, since it is smaller than the sum of its proper divisors (14812224).

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

6694464 is a wasteful number, since it uses less digits than its factorization.

6694464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 322 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 6694464 is about 2587.3662284261. The cubic root of 6694464 is about 188.4684259724.

The spelling of 6694464 in words is "six million, six hundred ninety-four thousand, four hundred sixty-four".