495688 has 8 divisors (see below), whose sum is σ = 929430. Its totient is φ = 247840.

The previous prime is 495679. The next prime is 495701. The reversal of 495688 is 886594.

It can be written as a sum of positive squares in only one way, i.e., 334084 + 161604 = 578^2 + 402^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 495688.

It is an unprimeable number.

495688 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 30973 + ... + 30988.

2⁴⁹⁵⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

495688 is a deficient number, since it is larger than the sum of its proper divisors (433742).

495688 is a wasteful number, since it uses less digits than its factorization.

495688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61967 (or 61963 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 495688 is about 704.0511345066. The cubic root of 495688 is about 79.1412311023.

The spelling of 495688 in words is "four hundred ninety-five thousand, six hundred eighty-eight".