495660 has 48 divisors (see below), whose sum is σ = 1516032. Its totient is φ = 120000.

The previous prime is 495647. The next prime is 495667. The reversal of 495660 is 66594.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495667) 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, 285 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (31584).

2⁴⁹⁵⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758016).

495660 is an abundant number, since it is smaller than the sum of its proper divisors (1020372).

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

495660 is a wasteful number, since it uses less digits than its factorization.

495660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 495660 is about 704.0312493064. The cubic root of 495660 is about 79.1397409201.

The spelling of 495660 in words is "four hundred ninety-five thousand, six hundred sixty".