499812 has 12 divisors (see below), whose sum is σ = 1166256. Its totient is φ = 166600.

The previous prime is 499801. The next prime is 499819. The reversal of 499812 is 218994.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (499819) by changing a digit.

499812 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20814 + ... + 20837.

It is an arithmetic number, because the mean of its divisors is an integer number (97188).

2⁴⁹⁹⁸¹² is an apocalyptic number.

It is an amenable number.

499812 is an abundant number, since it is smaller than the sum of its proper divisors (666444).

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

499812 is a wasteful number, since it uses less digits than its factorization.

499812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41658 (or 41656 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 499812 is about 706.9738326133. The cubic root of 499812 is about 79.3601036381.

The spelling of 499812 in words is "four hundred ninety-nine thousand, eight hundred twelve".