189000936 has 96 divisors (see below), whose sum is σ = 543179520. Its totient is φ = 59241600.

The previous prime is 189000919. The next prime is 189000937. The reversal of 189000936 is 639000981.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 189000936.

It is not an unprimeable number, because it can be changed into a prime (189000937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100081 + ... + 101951.

It is an arithmetic number, because the mean of its divisors is an integer number (5658120).

Almost surely, 2^189000936 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 189000936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271589760).

189000936 is an abundant number, since it is smaller than the sum of its proper divisors (354178584).

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

189000936 is a wasteful number, since it uses less digits than its factorization.

189000936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1960 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 189000936 is about 13747.7611268162. The cubic root of 189000936 is about 573.8803021865.

The spelling of 189000936 in words is "one hundred eighty-nine million, nine hundred thirty-six", and thus it is an aban number.