495663 has 8 divisors (see below), whose sum is σ = 755328. Its totient is φ = 283224.

The previous prime is 495647. The next prime is 495667. The reversal of 495663 is 366594.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 495663 - 2⁴ = 495647 is a prime.

It is a plaindrome in base 13.

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 7 ways as a sum of consecutive naturals, for example, 11781 + ... + 11822.

It is an arithmetic number, because the mean of its divisors is an integer number (94416).

2⁴⁹⁵⁶⁶³ is an apocalyptic number.

495663 is a deficient number, since it is larger than the sum of its proper divisors (259665).

495663 is a wasteful number, since it uses less digits than its factorization.

495663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23613.

The product of its digits is 19440, while the sum is 33.

The square root of 495663 is about 704.0333798905. The cubic root of 495663 is about 79.1399005852.

The spelling of 495663 in words is "four hundred ninety-five thousand, six hundred sixty-three".