506156 has 12 divisors (see below), whose sum is σ = 1012368. Its totient is φ = 216912.

The previous prime is 506147. The next prime is 506171. The reversal of 506156 is 651605.

506156 is an admirable number.

It is a super-3 number, since 3×506156³ = 389022233381533248, which contains 333 as substring.

It is an unprimeable number.

506156 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9011 + ... + 9066.

It is an arithmetic number, because the mean of its divisors is an integer number (84364).

2⁵⁰⁶¹⁵⁶ is an apocalyptic number.

It is an amenable number.

506156 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.

506156 is a wasteful number, since it uses less digits than its factorization.

506156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18088 (or 18086 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 506156 is about 711.4464140046. The cubic root of 506156 is about 79.6944595485.

The spelling of 506156 in words is "five hundred six thousand, one hundred fifty-six".