495000 has 120 divisors (see below), whose sum is σ = 1827540. Its totient is φ = 120000.

The previous prime is 494987. The next prime is 495017. The reversal of 495000 is 594.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 44995 + ... + 45005.

2⁴⁹⁵⁰⁰⁰ is an apocalyptic number.

495000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913770).

495000 is an abundant number, since it is smaller than the sum of its proper divisors (1332540).

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

495000 is a wasteful number, since it uses less digits than its factorization.

495000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 495000 is about 703.5623639735. The cubic root of 495000 is about 79.1045989347.

Adding to 495000 its reverse (594), we get a palindrome (495594).

The spelling of 495000 in words is "four hundred ninety-five thousand".