188012828 has 24 divisors (see below), whose sum is σ = 351227520. Its totient is φ = 87801840.

The previous prime is 188012821. The next prime is 188012837. The reversal of 188012828 is 828210881.

188012828 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 (38).

It is a junction number, because it is equal to n+sod(n) for n = 188012791 and 188012800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188012821) 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, 12026 + ... + 22817.

It is an arithmetic number, because the mean of its divisors is an integer number (14634480).

Almost surely, 2^188012828 is an apocalyptic number.

It is an amenable number.

188012828 is a deficient number, since it is larger than the sum of its proper divisors (163214692).

188012828 is a wasteful number, since it uses less digits than its factorization.

188012828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34937 (or 34935 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 38.

The square root of 188012828 is about 13711.7769818503. The cubic root of 188012828 is about 572.8784609433.

The spelling of 188012828 in words is "one hundred eighty-eight million, twelve thousand, eight hundred twenty-eight".