495866 has 8 divisors (see below), whose sum is σ = 850080. Its totient is φ = 212508.

The previous prime is 495851. The next prime is 495877. The reversal of 495866 is 668594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17696 + ... + 17723.

It is an arithmetic number, because the mean of its divisors is an integer number (106260).

2⁴⁹⁵⁸⁶⁶ is an apocalyptic number.

495866 is a deficient number, since it is larger than the sum of its proper divisors (354214).

495866 is a wasteful number, since it uses less digits than its factorization.

495866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35428.

The product of its digits is 51840, while the sum is 38.

The square root of 495866 is about 704.1775344329. The cubic root of 495866 is about 79.1507030909.

The spelling of 495866 in words is "four hundred ninety-five thousand, eight hundred sixty-six".