6317643 has 4 divisors (see below), whose sum is σ = 8423528. Its totient is φ = 4211760.

The previous prime is 6317627. The next prime is 6317657. The reversal of 6317643 is 3467136.

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

It is not a de Polignac number, because 6317643 - 2⁴ = 6317627 is a prime.

It is a super-2 number, since 2×6317643² = 79825226150898, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6317643.

It is not an unprimeable number, because it can be changed into a prime (6317683) 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, 1052938 + ... + 1052943.

It is an arithmetic number, because the mean of its divisors is an integer number (2105882).

Almost surely, 2^6317643 is an apocalyptic number.

6317643 is a deficient number, since it is larger than the sum of its proper divisors (2105885).

6317643 is a wasteful number, since it uses less digits than its factorization.

6317643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105884.

The product of its digits is 9072, while the sum is 30.

The square root of 6317643 is about 2513.4921921502. The cubic root of 6317643 is about 184.8637223793.

The spelling of 6317643 in words is "six million, three hundred seventeen thousand, six hundred forty-three".