499856 has 20 divisors (see below), whose sum is σ = 1107072. Its totient is φ = 214176.

The previous prime is 499853. The next prime is 499879. The reversal of 499856 is 658994.

499856 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (499853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2120 + ... + 2343.

499856 is a Friedman number, since it can be written as (5^6*4-9-9)*8, using all its digits and the basic arithmetic operations.

2⁴⁹⁹⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

499856 is an abundant number, since it is smaller than the sum of its proper divisors (607216).

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

499856 is a wasteful number, since it uses less digits than its factorization.

499856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478 (or 4472 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 499856 is about 707.0049504777. The cubic root of 499856 is about 79.3624323418.

It can be divided in two parts, 4 and 99856, that multiplied together give a square (399424 = 632²).

The spelling of 499856 in words is "four hundred ninety-nine thousand, eight hundred fifty-six".