5999856 has 40 divisors (see below), whose sum is σ = 15594240. Its totient is φ = 1987776.

The previous prime is 5999831. The next prime is 5999863. The reversal of 5999856 is 6589995.

It is a junction number, because it is equal to n+sod(n) for n = 5999799 and 5999808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11211 + ... + 11733.

It is an arithmetic number, because the mean of its divisors is an integer number (389856).

Almost surely, 2^5999856 is an apocalyptic number.

It is an amenable number.

5999856 is an abundant number, since it is smaller than the sum of its proper divisors (9594384).

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

5999856 is a wasteful number, since it uses less digits than its factorization.

5999856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 767 counting only the distinct ones).

The product of its digits is 874800, while the sum is 51.

The square root of 5999856 is about 2449.4603487299. The cubic root of 5999856 is about 181.7106055751.

The spelling of 5999856 in words is "five million, nine hundred ninety-nine thousand, eight hundred fifty-six".