6694881 has 4 divisors (see below), whose sum is σ = 8926512. Its totient is φ = 4463252.

The previous prime is 6694879. The next prime is 6694901. The reversal of 6694881 is 1884966.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6694881 - 2¹ = 6694879 is a prime.

It is a super-2 number, since 2×6694881² = 89642863208322, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6694861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115811 + ... + 1115816.

It is an arithmetic number, because the mean of its divisors is an integer number (2231628).

Almost surely, 2^6694881 is an apocalyptic number.

It is an amenable number.

6694881 is a deficient number, since it is larger than the sum of its proper divisors (2231631).

6694881 is a wasteful number, since it uses less digits than its factorization.

6694881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231630.

The product of its digits is 82944, while the sum is 42.

The square root of 6694881 is about 2587.4468110475. The cubic root of 6694881 is about 188.4723391411.

The spelling of 6694881 in words is "six million, six hundred ninety-four thousand, eight hundred eighty-one".