189844008 has 32 divisors (see below), whose sum is σ = 475510560. Its totient is φ = 63161280.

The previous prime is 189843961. The next prime is 189844013. The reversal of 189844008 is 800448981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5898 + ... + 20358.

It is an arithmetic number, because the mean of its divisors is an integer number (14859705).

Almost surely, 2^189844008 is an apocalyptic number.

It is an amenable number.

189844008 is an abundant number, since it is smaller than the sum of its proper divisors (285666552).

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

189844008 is a wasteful number, since it uses less digits than its factorization.

189844008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15017 (or 15013 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 189844008 is about 13778.3891656463. The cubic root of 189844008 is about 574.7323346510.

The spelling of 189844008 in words is "one hundred eighty-nine million, eight hundred forty-four thousand, eight".