188840334 has 16 divisors (see below), whose sum is σ = 378358272. Its totient is φ = 62833848.

The previous prime is 188840329. The next prime is 188840347. The reversal of 188840334 is 433048881.

188840334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 188840292 and 188840301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24574 + ... + 31329.

It is an arithmetic number, because the mean of its divisors is an integer number (23647392).

Almost surely, 2^188840334 is an apocalyptic number.

188840334 is an abundant number, since it is smaller than the sum of its proper divisors (189517938).

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

188840334 is a wasteful number, since it uses less digits than its factorization.

188840334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56471.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 188840334 is about 13741.9188616437. The cubic root of 188840334 is about 573.7177060915.

The spelling of 188840334 in words is "one hundred eighty-eight million, eight hundred forty thousand, three hundred thirty-four".