6694887 has 8 divisors (see below), whose sum is σ = 8986240. Its totient is φ = 4433400.

The previous prime is 6694879. The next prime is 6694901. The reversal of 6694887 is 7884966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6694887 - 2³ = 6694879 is a prime.

It is a Duffinian number.

6694887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6694837) 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, 6937 + ... + 7842.

It is an arithmetic number, because the mean of its divisors is an integer number (1123280).

Almost surely, 2^6694887 is an apocalyptic number.

6694887 is a deficient number, since it is larger than the sum of its proper divisors (2291353).

6694887 is a wasteful number, since it uses less digits than its factorization.

6694887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14933.

The product of its digits is 580608, while the sum is 48.

The square root of 6694887 is about 2587.4479704914. The cubic root of 6694887 is about 188.4723954445.

The spelling of 6694887 in words is "six million, six hundred ninety-four thousand, eight hundred eighty-seven".