495805 has 16 divisors (see below), whose sum is σ = 665280. Its totient is φ = 352512.

The previous prime is 495799. The next prime is 495821. The reversal of 495805 is 508594.

It is not a de Polignac number, because 495805 - 2³ = 495797 is a prime.

It is a plaindrome in base 13.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1462 + ... + 1768.

It is an arithmetic number, because the mean of its divisors is an integer number (41580).

2⁴⁹⁵⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

495805 is a deficient number, since it is larger than the sum of its proper divisors (169475).

495805 is a wasteful number, since it uses less digits than its factorization.

495805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 495805 is about 704.1342201598. The cubic root of 495805 is about 79.1474573276.

The spelling of 495805 in words is "four hundred ninety-five thousand, eight hundred five".