495878 has 4 divisors (see below), whose sum is σ = 743820. Its totient is φ = 247938.

The previous prime is 495877. The next prime is 495893. The reversal of 495878 is 878594.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123968 + ... + 123971.

It is an arithmetic number, because the mean of its divisors is an integer number (185955).

2⁴⁹⁵⁸⁷⁸ is an apocalyptic number.

495878 is a deficient number, since it is larger than the sum of its proper divisors (247942).

495878 is a wasteful number, since it uses less digits than its factorization.

495878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247941.

The product of its digits is 80640, while the sum is 41.

The square root of 495878 is about 704.1860549599. The cubic root of 495878 is about 79.1513415703.

The spelling of 495878 in words is "four hundred ninety-five thousand, eight hundred seventy-eight".