189844844 has 24 divisors (see below), whose sum is σ = 387770880. Its totient is φ = 79630416.

The previous prime is 189844843. The next prime is 189844877. The reversal of 189844844 is 448448981.

It is a happy number.

189844844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 189844792 and 189844801.

It is not an unprimeable number, because it can be changed into a prime (189844843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70814 + ... + 73445.

It is an arithmetic number, because the mean of its divisors is an integer number (16157120).

Almost surely, 2^189844844 is an apocalyptic number.

189844844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189844844 is an abundant number, since it is smaller than the sum of its proper divisors (197926036).

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

189844844 is a wasteful number, since it uses less digits than its factorization.

189844844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144317 (or 144315 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 50.

The square root of 189844844 is about 13778.4195029764. The cubic root of 189844844 is about 574.7331782832.

The spelling of 189844844 in words is "one hundred eighty-nine million, eight hundred forty-four thousand, eight hundred forty-four".