556992 has 42 divisors (see below), whose sum is σ = 1598168. Its totient is φ = 185472.

The previous prime is 556987. The next prime is 556999. The reversal of 556992 is 299655.

556992 is a `hidden beast` number, since 5 + 569 + 92 = 666.

556992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (24300) is a multiple of the sum of its prime divisors (972).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 556992.

It is not an unprimeable number, because it can be changed into a prime (556999) by changing a digit.

556992 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93 + ... + 1059.

2⁵⁵⁶⁹⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799084).

556992 is an abundant number, since it is smaller than the sum of its proper divisors (1041176).

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

556992 is a wasteful number, since it uses less digits than its factorization.

556992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 972 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 556992 is about 746.3189666624. The cubic root of 556992 is about 82.2778597000.

The spelling of 556992 in words is "five hundred fifty-six thousand, nine hundred ninety-two".