189384049 has 8 divisors (see below), whose sum is σ = 190982528. Its totient is φ = 187790400.

The previous prime is 189384037. The next prime is 189384067. The reversal of 189384049 is 940483981.

189384049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189384049 - 2⁷ = 189383921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189384149) 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, 145369 + ... + 146665.

It is an arithmetic number, because the mean of its divisors is an integer number (23872816).

Almost surely, 2^189384049 is an apocalyptic number.

It is an amenable number.

189384049 is a deficient number, since it is larger than the sum of its proper divisors (1598479).

189384049 is a wasteful number, since it uses less digits than its factorization.

189384049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 189384049 is about 13761.6877235316. The cubic root of 189384049 is about 574.2678004710.

The spelling of 189384049 in words is "one hundred eighty-nine million, three hundred eighty-four thousand, forty-nine".