6634629 has 28 divisors (see below), whose sum is σ = 10492800. Its totient is φ = 4181544.

The previous prime is 6634627. The next prime is 6634631. The reversal of 6634629 is 9264366.

It is an interprime number because it is at equal distance from previous prime (6634627) and next prime (6634631).

It is not a de Polignac number, because 6634629 - 2¹ = 6634627 is a prime.

It is a Curzon number.

6634629 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6634593 and 6634602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6634627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 13612 + ... + 14090.

Almost surely, 2^6634629 is an apocalyptic number.

It is an amenable number.

6634629 is a deficient number, since it is larger than the sum of its proper divisors (3858171).

6634629 is an equidigital number, since it uses as much as digits as its factorization.

6634629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 501 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 6634629 is about 2575.7773583911. Note that the first 3 decimals coincide. The cubic root of 6634629 is about 187.9052355512.

The spelling of 6634629 in words is "six million, six hundred thirty-four thousand, six hundred twenty-nine".