6634 has 8 divisors (see below), whose sum is σ = 10368. Its totient is φ = 3180.

The previous prime is 6619. The next prime is 6637. The reversal of 6634 is 4366.

6634 = T₆₅ + T₆₆ + T₆₇.

It is a happy number.

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

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6637) 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, 9 + ... + 115.

It is an arithmetic number, because the mean of its divisors is an integer number (1296).

2⁶⁶³⁴ is an apocalyptic number.

6634 is the 67-th centered triangular number.

6634 is a deficient number, since it is larger than the sum of its proper divisors (3734).

6634 is a wasteful number, since it uses less digits than its factorization.

6634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140.

The product of its digits is 432, while the sum is 19.

The square root of 6634 is about 81.4493707772. The cubic root of 6634 is about 18.7899297207.

It can be divided in two parts, 66 and 34, that added together give a square (100 = 10²).

The spelling of 6634 in words is "six thousand, six hundred thirty-four".