189647058 has 24 divisors (see below), whose sum is σ = 388791504. Its totient is φ = 61670560.

The previous prime is 189647039. The next prime is 189647069. The reversal of 189647058 is 850746981.

189647058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 189646998 and 189647016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 685 + ... + 19487.

It is an arithmetic number, because the mean of its divisors is an integer number (16199646).

Almost surely, 2^189647058 is an apocalyptic number.

189647058 is an abundant number, since it is smaller than the sum of its proper divisors (199144446).

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

189647058 is a wasteful number, since it uses less digits than its factorization.

189647058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18890 (or 18849 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 189647058 is about 13771.2402491569. The cubic root of 189647058 is about 574.5335175616.

The spelling of 189647058 in words is "one hundred eighty-nine million, six hundred forty-seven thousand, fifty-eight".