6634247 has 4 divisors (see below), whose sum is σ = 6643920. Its totient is φ = 6624576.

The previous prime is 6634241. The next prime is 6634297. The reversal of 6634247 is 7424366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6634247 - 2⁴ = 6634231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6634241) 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, 3722 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (1660980).

Almost surely, 2^6634247 is an apocalyptic number.

6634247 is a deficient number, since it is larger than the sum of its proper divisors (9673).

6634247 is an equidigital number, since it uses as much as digits as its factorization.

6634247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9672.

The product of its digits is 24192, while the sum is 32.

The square root of 6634247 is about 2575.7032049520. The cubic root of 6634247 is about 187.9016291612.

The spelling of 6634247 in words is "six million, six hundred thirty-four thousand, two hundred forty-seven".