188056856 has 32 divisors (see below), whose sum is σ = 402071040. Its totient is φ = 81689088.

The previous prime is 188056831. The next prime is 188056859. The reversal of 188056856 is 658650881.

It is a self number, because there is not a number n which added to its sum of digits gives 188056856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188056859) 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, 51416 + ... + 54951.

It is an arithmetic number, because the mean of its divisors is an integer number (12564720).

Almost surely, 2^188056856 is an apocalyptic number.

It is an amenable number.

188056856 is an abundant number, since it is smaller than the sum of its proper divisors (214014184).

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

188056856 is a wasteful number, since it uses less digits than its factorization.

188056856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106403 (or 106399 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 47.

The square root of 188056856 is about 13713.3823690583. The cubic root of 188056856 is about 572.9231754885.

The spelling of 188056856 in words is "one hundred eighty-eight million, fifty-six thousand, eight hundred fifty-six".