189234084 has 48 divisors (see below), whose sum is σ = 477848000. Its totient is φ = 57939840.

The previous prime is 189234083. The next prime is 189234113. The reversal of 189234084 is 480432981.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (189234083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30042 + ... + 35790.

Almost surely, 2^189234084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189234084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238924000).

189234084 is an abundant number, since it is smaller than the sum of its proper divisors (288613916).

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

189234084 is a wasteful number, since it uses less digits than its factorization.

189234084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980 (or 5978 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 189234084 is about 13756.2380031751. The cubic root of 189234084 is about 574.1161812036.

The spelling of 189234084 in words is "one hundred eighty-nine million, two hundred thirty-four thousand, eighty-four".