495578 has 12 divisors (see below), whose sum is σ = 768222. Its totient is φ = 239760.

The previous prime is 495571. The next prime is 495587. The reversal of 495578 is 875594.

It can be written as a sum of positive squares in 3 ways, for example, as 458329 + 37249 = 677^2 + 193^2 .

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (495571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2648 + ... + 2828.

2⁴⁹⁵⁵⁷⁸ is an apocalyptic number.

495578 is a deficient number, since it is larger than the sum of its proper divisors (272644).

495578 is a wasteful number, since it uses less digits than its factorization.

495578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 220 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The square root of 495578 is about 703.9730108463. The cubic root of 495578 is about 79.1353764925.

Adding to 495578 its sum of digits (38), we get a square (495616 = 704²).

The spelling of 495578 in words is "four hundred ninety-five thousand, five hundred seventy-eight".