522906 has 8 divisors (see below), whose sum is σ = 1045824. Its totient is φ = 174300.

The previous prime is 522887. The next prime is 522919. The reversal of 522906 is 609225.

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

522906 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43570 + ... + 43581.

It is an arithmetic number, because the mean of its divisors is an integer number (130728).

2⁵²²⁹⁰⁶ is an apocalyptic number.

522906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522906 is a wasteful number, since it uses less digits than its factorization.

522906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87156.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 522906 is about 723.1223962788. The cubic root of 522906 is about 80.5640347969.

The spelling of 522906 in words is "five hundred twenty-two thousand, nine hundred six".