189182380 has 12 divisors (see below), whose sum is σ = 397283040. Its totient is φ = 75672944.

The previous prime is 189182333. The next prime is 189182381. The reversal of 189182380 is 83281981.

189182380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (189182381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4729540 + ... + 4729579.

It is an arithmetic number, because the mean of its divisors is an integer number (33106920).

Almost surely, 2^189182380 is an apocalyptic number.

189182380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189182380 is an abundant number, since it is smaller than the sum of its proper divisors (208100660).

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

189182380 is a wasteful number, since it uses less digits than its factorization.

189182380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9459128 (or 9459126 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 189182380 is about 13754.3585819187. The cubic root of 189182380 is about 574.0638882863.

The spelling of 189182380 in words is "one hundred eighty-nine million, one hundred eighty-two thousand, three hundred eighty".