506868856 has 24 divisors (see below), whose sum is σ = 1029111480. Its totient is φ = 233938848.

The previous prime is 506868853. The next prime is 506868863. The reversal of 506868856 is 658868605.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506868853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186100 + ... + 188803.

It is an arithmetic number, because the mean of its divisors is an integer number (42879645).

Almost surely, 2^506868856 is an apocalyptic number.

It is an amenable number.

506868856 is an abundant number, since it is smaller than the sum of its proper divisors (522242624).

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

506868856 is a wasteful number, since it uses less digits than its factorization.

506868856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374935 (or 374918 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 52.

The square root of 506868856 is about 22513.7481552939. The cubic root of 506868856 is about 797.3185515008.

The spelling of 506868856 in words is "five hundred six million, eight hundred sixty-eight thousand, eight hundred fifty-six".