6631694 has 8 divisors (see below), whose sum is σ = 9963408. Its totient is φ = 3310560.

The previous prime is 6631693. The next prime is 6631697. The reversal of 6631694 is 4961366.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6631693) 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, 827 + ... + 3734.

It is an arithmetic number, because the mean of its divisors is an integer number (1245426).

Almost surely, 2^6631694 is an apocalyptic number.

6631694 is a deficient number, since it is larger than the sum of its proper divisors (3331714).

6631694 is a wasteful number, since it uses less digits than its factorization.

6631694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290.

The product of its digits is 23328, while the sum is 35.

The square root of 6631694 is about 2575.2075644499. The cubic root of 6631694 is about 187.8775232149.

The spelling of 6631694 in words is "six million, six hundred thirty-one thousand, six hundred ninety-four".