6143856 has 20 divisors (see below), whose sum is σ = 15871752. Its totient is φ = 2047936.

The previous prime is 6143827. The next prime is 6143861. The reversal of 6143856 is 6583416.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63951 + ... + 64046.

Almost surely, 2^6143856 is an apocalyptic number.

It is an amenable number.

6143856 is an abundant number, since it is smaller than the sum of its proper divisors (9727896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6143856 is a wasteful number, since it uses less digits than its factorization.

6143856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128008 (or 128002 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 6143856 is about 2478.6802940274. The cubic root of 6143856 is about 183.1528479046.

The spelling of 6143856 in words is "six million, one hundred forty-three thousand, eight hundred fifty-six".