495779 has 4 divisors (see below), whose sum is σ = 497520. Its totient is φ = 494040.

The previous prime is 495773. The next prime is 495787. The reversal of 495779 is 977594.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 977594 = 2 ⋅488797.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495773) 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, 332 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (124380).

2⁴⁹⁵⁷⁷⁹ is an apocalyptic number.

495779 is a deficient number, since it is larger than the sum of its proper divisors (1741).

495779 is a wasteful number, since it uses less digits than its factorization.

495779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740.

The product of its digits is 79380, while the sum is 41.

The square root of 495779 is about 704.1157575285. The cubic root of 495779 is about 79.1460738067.

The spelling of 495779 in words is "four hundred ninety-five thousand, seven hundred seventy-nine".