188321034 has 32 divisors (see below), whose sum is σ = 413061120. Its totient is φ = 56764400.

The previous prime is 188321011. The next prime is 188321113. The reversal of 188321034 is 430123881.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 188320992 and 188321010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5137 + ... + 20075.

It is an arithmetic number, because the mean of its divisors is an integer number (12908160).

Almost surely, 2^188321034 is an apocalyptic number.

188321034 is an abundant number, since it is smaller than the sum of its proper divisors (224740086).

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

188321034 is a wasteful number, since it uses less digits than its factorization.

188321034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15146.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 188321034 is about 13723.0111127260. The cubic root of 188321034 is about 573.1913264516.

The spelling of 188321034 in words is "one hundred eighty-eight million, three hundred twenty-one thousand, thirty-four".