520286 has 8 divisors (see below), whose sum is σ = 840504. Its totient is φ = 240120.

The previous prime is 520279. The next prime is 520291. The reversal of 520286 is 682025.

It is a happy number.

520286 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

520286 is a modest number, since divided by 286 gives 52 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9980 + ... + 10031.

It is an arithmetic number, because the mean of its divisors is an integer number (105063).

2⁵²⁰²⁸⁶ is an apocalyptic number.

520286 is a deficient number, since it is larger than the sum of its proper divisors (320218).

520286 is a wasteful number, since it uses less digits than its factorization.

520286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20026.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 520286 is about 721.3085331535. The cubic root of 520286 is about 80.4292551309.

The spelling of 520286 in words is "five hundred twenty thousand, two hundred eighty-six".