189841080 has 384 divisors, whose sum is σ = 720990720. Its totient is φ = 39536640.

The previous prime is 189841063. The next prime is 189841081. The reversal of 189841080 is 80148981.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189841081) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5130822 + ... + 5130858.

It is an arithmetic number, because the mean of its divisors is an integer number (1877580).

Almost surely, 2^189841080 is an apocalyptic number.

189841080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189841080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360495360).

189841080 is an abundant number, since it is smaller than the sum of its proper divisors (531149640).

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

189841080 is a wasteful number, since it uses less digits than its factorization.

189841080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 189841080 is about 13778.2829118871. The cubic root of 189841080 is about 574.7293799007.

The spelling of 189841080 in words is "one hundred eighty-nine million, eight hundred forty-one thousand, eighty".