499668 has 24 divisors (see below), whose sum is σ = 1255968. Its totient is φ = 153696.

The previous prime is 499663. The next prime is 499669. The reversal of 499668 is 866994.

499668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×499668² = 499336220448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446 + ... + 1757.

It is an arithmetic number, because the mean of its divisors is an integer number (52332).

2⁴⁹⁹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

499668 is an abundant number, since it is smaller than the sum of its proper divisors (756300).

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

499668 is a wasteful number, since it uses less digits than its factorization.

499668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223 (or 3221 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 499668 is about 706.8719827522. The cubic root of 499668 is about 79.3524814705.

The spelling of 499668 in words is "four hundred ninety-nine thousand, six hundred sixty-eight".