497668 has 12 divisors (see below), whose sum is σ = 882000. Its totient is φ = 245672.

The previous prime is 497663. The next prime is 497671. The reversal of 497668 is 866794.

497668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 497668.

It is not an unprimeable number, because it can be changed into a prime (497663) 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, 418 + ... + 1081.

It is an arithmetic number, because the mean of its divisors is an integer number (73500).

497668 is a Friedman number, since it can be written as (6+6)^7/(9*8)+4, using all its digits and the basic arithmetic operations.

2⁴⁹⁷⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

497668 is a deficient number, since it is larger than the sum of its proper divisors (384332).

497668 is a wasteful number, since it uses less digits than its factorization.

497668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1584 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 497668 is about 705.4558809734. The cubic root of 497668 is about 79.2464662882.

The spelling of 497668 in words is "four hundred ninety-seven thousand, six hundred sixty-eight".