495855 has 16 divisors (see below), whose sum is σ = 881760. Its totient is φ = 264384.

The previous prime is 495851. The next prime is 495877. The reversal of 495855 is 558594.

It is a happy number.

It is not a de Polignac number, because 495855 - 2² = 495851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1702 + ... + 1971.

It is an arithmetic number, because the mean of its divisors is an integer number (55110).

2⁴⁹⁵⁸⁵⁵ is an apocalyptic number.

495855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

495855 is a deficient number, since it is larger than the sum of its proper divisors (385905).

495855 is a wasteful number, since it uses less digits than its factorization.

495855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687 (or 3681 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 495855 is about 704.1697238592. The cubic root of 495855 is about 79.1501178090.

It can be divided in two parts, 4 and 95855, that added together give a palindrome (95859).

The spelling of 495855 in words is "four hundred ninety-five thousand, eight hundred fifty-five".