495879 has 4 divisors (see below), whose sum is σ = 661176. Its totient is φ = 330584.

The previous prime is 495877. The next prime is 495893. The reversal of 495879 is 978594.

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

It is a cyclic number.

It is not a de Polignac number, because 495879 - 2¹ = 495877 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 495879.

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 in 3 ways as a sum of consecutive naturals, for example, 82644 + ... + 82649.

It is an arithmetic number, because the mean of its divisors is an integer number (165294).

2⁴⁹⁵⁸⁷⁹ is an apocalyptic number.

495879 is a deficient number, since it is larger than the sum of its proper divisors (165297).

495879 is a wasteful number, since it uses less digits than its factorization.

495879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165296.

The product of its digits is 90720, while the sum is 42.

The square root of 495879 is about 704.1867649992. The cubic root of 495879 is about 79.1513947765.

The spelling of 495879 in words is "four hundred ninety-five thousand, eight hundred seventy-nine".