495520 has 48 divisors (see below), whose sum is σ = 1239840. Its totient is φ = 186624.

The previous prime is 495511. The next prime is 495527. The reversal of 495520 is 25594.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495527) by changing a digit.

495520 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2959 + ... + 3121.

It is an arithmetic number, because the mean of its divisors is an integer number (25830).

2⁴⁹⁵⁵²⁰ is an apocalyptic number.

495520 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 495520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619920).

495520 is an abundant number, since it is smaller than the sum of its proper divisors (744320).

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

495520 is a wasteful number, since it uses less digits than its factorization.

495520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 495520 is about 703.9318148798. The cubic root of 495520 is about 79.1322891676.

It can be divided in two parts, 49 and 5520, that multiplied together give a triangular number (270480 = T₇₃₅).

The spelling of 495520 in words is "four hundred ninety-five thousand, five hundred twenty".