6318641 has 8 divisors (see below), whose sum is σ = 7242240. Its totient is φ = 5400288.

The previous prime is 6318623. The next prime is 6318667. The reversal of 6318641 is 1468136.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6318641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6312641) 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, 1760 + ... + 3966.

It is an arithmetic number, because the mean of its divisors is an integer number (905280).

Almost surely, 2^6318641 is an apocalyptic number.

It is an amenable number.

6318641 is a deficient number, since it is larger than the sum of its proper divisors (923599).

6318641 is a wasteful number, since it uses less digits than its factorization.

6318641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623.

The product of its digits is 3456, while the sum is 29.

The square root of 6318641 is about 2513.6907128762. The cubic root of 6318641 is about 184.8734561931.

The spelling of 6318641 in words is "six million, three hundred eighteen thousand, six hundred forty-one".