3143856 has 20 divisors (see below), whose sum is σ = 8121752. Its totient is φ = 1047936.

The previous prime is 3143851. The next prime is 3143857. The reversal of 3143856 is 6583413.

It is not an unprimeable number, because it can be changed into a prime (3143851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32701 + ... + 32796.

Almost surely, 2^3143856 is an apocalyptic number.

It is an amenable number.

3143856 is an abundant number, since it is smaller than the sum of its proper divisors (4977896).

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

3143856 is a wasteful number, since it uses less digits than its factorization.

3143856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65508 (or 65502 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 3143856 is about 1773.0922141840. The cubic root of 3143856 is about 146.4943522694.

The spelling of 3143856 in words is "three million, one hundred forty-three thousand, eight hundred fifty-six".