495664 has 20 divisors (see below), whose sum is σ = 1034656. Its totient is φ = 228672.

The previous prime is 495647. The next prime is 495667. The reversal of 495664 is 466594.

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984 + ... + 1399.

2⁴⁹⁵⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

495664 is an abundant number, since it is smaller than the sum of its proper divisors (538992).

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

495664 is a wasteful number, since it uses less digits than its factorization.

495664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404 (or 2398 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 495664 is about 704.0340900837. The cubic root of 495664 is about 79.1399538067.

The spelling of 495664 in words is "four hundred ninety-five thousand, six hundred sixty-four".