6634691 has 8 divisors (see below), whose sum is σ = 7611744. Its totient is φ = 5664960.

The previous prime is 6634673. The next prime is 6634711. The reversal of 6634691 is 1964366.

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

It is not a de Polignac number, because 6634691 - 2⁶ = 6634627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6634631) 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, 281 + ... + 3653.

It is an arithmetic number, because the mean of its divisors is an integer number (951468).

Almost surely, 2^6634691 is an apocalyptic number.

6634691 is a deficient number, since it is larger than the sum of its proper divisors (977053).

6634691 is a wasteful number, since it uses less digits than its factorization.

6634691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661.

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

The square root of 6634691 is about 2575.7893935646. The cubic root of 6634691 is about 187.9058208684.

The spelling of 6634691 in words is "six million, six hundred thirty-four thousand, six hundred ninety-one".