6343889 has 8 divisors (see below), whose sum is σ = 6531840. Its totient is φ = 6157600.

The previous prime is 6343879. The next prime is 6343901. The reversal of 6343889 is 9883436.

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

It is a cyclic number.

It is not a de Polignac number, because 6343889 - 2⁸ = 6343633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6343819) 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, 14504 + ... + 14934.

It is an arithmetic number, because the mean of its divisors is an integer number (816480).

Almost surely, 2^6343889 is an apocalyptic number.

It is an amenable number.

6343889 is a deficient number, since it is larger than the sum of its proper divisors (187951).

6343889 is a wasteful number, since it uses less digits than its factorization.

6343889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831.

The product of its digits is 124416, while the sum is 41.

The square root of 6343889 is about 2518.7078036168. The cubic root of 6343889 is about 185.1193678138.

The spelling of 6343889 in words is "six million, three hundred forty-three thousand, eight hundred eighty-nine".