495018 has 32 divisors (see below), whose sum is σ = 1123200. Its totient is φ = 161568.

The previous prime is 495017. The next prime is 495037. The reversal of 495018 is 810594.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 494982 and 495000.

It is not an unprimeable number, because it can be changed into a prime (495017) by changing a digit.

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, 4755 + ... + 4857.

It is an arithmetic number, because the mean of its divisors is an integer number (35100).

2⁴⁹⁵⁰¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561600).

495018 is an abundant number, since it is smaller than the sum of its proper divisors (628182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

495018 is a wasteful number, since it uses less digits than its factorization.

495018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 495018 is about 703.5751559002. The cubic root of 495018 is about 79.1055577667.

The spelling of 495018 in words is "four hundred ninety-five thousand, eighteen".