6894644 has 24 divisors (see below), whose sum is σ = 12865440. Its totient is φ = 3223584.

The previous prime is 6894637. The next prime is 6894649. The reversal of 6894644 is 4464986.

It is a super-2 number, since 2×6894644² = 95072231773472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6894649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5762 + ... + 6854.

It is an arithmetic number, because the mean of its divisors is an integer number (536060).

Almost surely, 2^6894644 is an apocalyptic number.

It is an amenable number.

6894644 is a deficient number, since it is larger than the sum of its proper divisors (5970796).

6894644 is a wasteful number, since it uses less digits than its factorization.

6894644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1197 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 6894644 is about 2625.7654122179. The cubic root of 6894644 is about 190.3285543324.

The spelling of 6894644 in words is "six million, eight hundred ninety-four thousand, six hundred forty-four".