495985 has 16 divisors (see below), whose sum is σ = 700416. Its totient is φ = 330048.

The previous prime is 495983. The next prime is 496007. The reversal of 495985 is 589594.

It is a cyclic number.

It is not a de Polignac number, because 495985 - 2¹ = 495983 is a prime.

It is a super-2 number, since 2×495985² = 492002240450, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (64800) is a multiple of the sum of its prime divisors (432).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (495983) 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, 1104 + ... + 1486.

It is an arithmetic number, because the mean of its divisors is an integer number (43776).

2⁴⁹⁵⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

495985 is a deficient number, since it is larger than the sum of its proper divisors (204431).

495985 is a wasteful number, since it uses less digits than its factorization.

495985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

The product of its digits is 64800, while the sum is 40.

The square root of 495985 is about 704.2620251015. The cubic root of 495985 is about 79.1570342235.

The spelling of 495985 in words is "four hundred ninety-five thousand, nine hundred eighty-five".