495943 has 4 divisors (see below), whose sum is σ = 566800. Its totient is φ = 425088.

The previous prime is 495931. The next prime is 495947. The reversal of 495943 is 349594.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495943 is a prime.

It is a Duffinian number.

495943 is a lucky number.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 495899 and 495908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495947) 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, 35418 + ... + 35431.

It is an arithmetic number, because the mean of its divisors is an integer number (141700).

2⁴⁹⁵⁹⁴³ is an apocalyptic number.

495943 is a deficient number, since it is larger than the sum of its proper divisors (70857).

495943 is an equidigital number, since it uses as much as digits as its factorization.

495943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70856.

The product of its digits is 19440, while the sum is 34.

The square root of 495943 is about 704.2322060230. The cubic root of 495943 is about 79.1547998218.

The spelling of 495943 in words is "four hundred ninety-five thousand, nine hundred forty-three".