500869 has 4 divisors (see below), whose sum is σ = 514444. Its totient is φ = 487296.

The previous prime is 500861. The next prime is 500873. The reversal of 500869 is 968005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 968005 = 5 ⋅193601.

It can be written as a sum of positive squares in 2 ways, for example, as 471969 + 28900 = 687^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 500869 - 2³ = 500861 is a prime.

It is a super-2 number, since 2×500869² = 501739510322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500861) 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, 6732 + ... + 6805.

It is an arithmetic number, because the mean of its divisors is an integer number (128611).

2⁵⁰⁰⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

500869 is a deficient number, since it is larger than the sum of its proper divisors (13575).

500869 is a wasteful number, since it uses less digits than its factorization.

500869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13574.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 500869 is about 707.7209902214. The cubic root of 500869 is about 79.4160077025.

It can be divided in two parts, 500 and 869, that added together give a square (1369 = 37²).

The spelling of 500869 in words is "five hundred thousand, eight hundred sixty-nine".