6343641 has 6 divisors (see below), whose sum is σ = 9163050. Its totient is φ = 4229088.

The previous prime is 6343639. The next prime is 6343651. The reversal of 6343641 is 1463436.

6343641 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3316041 + 3027600 = 1821^2 + 1740^2 .

It is not a de Polignac number, because 6343641 - 2¹ = 6343639 is a prime.

It is a super-2 number, since 2×6343641² = 80483562273762, which contains 22 as substring.

6343641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6343651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 352416 + ... + 352433.

It is an arithmetic number, because the mean of its divisors is an integer number (1527175).

Almost surely, 2^6343641 is an apocalyptic number.

It is an amenable number.

6343641 is a deficient number, since it is larger than the sum of its proper divisors (2819409).

6343641 is a wasteful number, since it uses less digits than its factorization.

6343641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704855 (or 704852 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 6343641 is about 2518.6585715416. The cubic root of 6343641 is about 185.1169555080.

The spelling of 6343641 in words is "six million, three hundred forty-three thousand, six hundred forty-one".