499816 has 8 divisors (see below), whose sum is σ = 937170. Its totient is φ = 249904.

The previous prime is 499801. The next prime is 499819. The reversal of 499816 is 618994.

It can be written as a sum of positive squares in only one way, i.e., 476100 + 23716 = 690^2 + 154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×499816³ = 374586152333311488, which contains 333 as substring.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31231 + ... + 31246.

2⁴⁹⁹⁸¹⁶ is an apocalyptic number.

It is an amenable number.

499816 is a deficient number, since it is larger than the sum of its proper divisors (437354).

499816 is a wasteful number, since it uses less digits than its factorization.

499816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62483 (or 62479 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 499816 is about 706.9766615667. The cubic root of 499816 is about 79.3603153441.

The spelling of 499816 in words is "four hundred ninety-nine thousand, eight hundred sixteen".