522986 has 16 divisors (see below), whose sum is σ = 829440. Its totient is φ = 246960.

The previous prime is 522961. The next prime is 522989. The reversal of 522986 is 689225.

It is a d-powerful number, because it can be written as 5⁸ + 2¹⁴ + 9⁵ + 2¹⁴ + 8⁵ + 6⁵ .

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522986.

It is not an unprimeable number, because it can be changed into a prime (522989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4055 + ... + 4181.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2⁵²²⁹⁸⁶ is an apocalyptic number.

522986 is a deficient number, since it is larger than the sum of its proper divisors (306454).

522986 is a wasteful number, since it uses less digits than its factorization.

522986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

The product of its digits is 8640, while the sum is 32.

The square root of 522986 is about 723.1777098335. The cubic root of 522986 is about 80.5681431160.

The spelling of 522986 in words is "five hundred twenty-two thousand, nine hundred eighty-six".