495920 has 20 divisors (see below), whose sum is σ = 1153200. Its totient is φ = 198336.

The previous prime is 495899. The next prime is 495923. The reversal of 495920 is 29594.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 495920.

It is not an unprimeable number, because it can be changed into a prime (495923) by changing a digit.

495920 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 3 ways as a sum of consecutive naturals, for example, 3020 + ... + 3179.

It is an arithmetic number, because the mean of its divisors is an integer number (57660).

2⁴⁹⁵⁹²⁰ is an apocalyptic number.

495920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

495920 is an abundant number, since it is smaller than the sum of its proper divisors (657280).

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

495920 is a wasteful number, since it uses less digits than its factorization.

495920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212 (or 6206 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 495920 is about 704.2158759926. The cubic root of 495920 is about 79.1535761674.

The spelling of 495920 in words is "four hundred ninety-five thousand, nine hundred twenty".