499806 has 12 divisors (see below), whose sum is σ = 1082952. Its totient is φ = 166596.

The previous prime is 499801. The next prime is 499819. The reversal of 499806 is 608994.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13866 + ... + 13901.

It is an arithmetic number, because the mean of its divisors is an integer number (90246).

2⁴⁹⁹⁸⁰⁶ is an apocalyptic number.

499806 is an abundant number, since it is smaller than the sum of its proper divisors (583146).

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

499806 is a wasteful number, since it uses less digits than its factorization.

499806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27775 (or 27772 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 499806 is about 706.9695891621. The cubic root of 499806 is about 79.3597860770.

The spelling of 499806 in words is "four hundred ninety-nine thousand, eight hundred six".