189384028 has 6 divisors (see below), whose sum is σ = 331422056. Its totient is φ = 94692012.

The previous prime is 189384023. The next prime is 189384037. The reversal of 189384028 is 820483981.

189384028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189384023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23673000 + ... + 23673007.

Almost surely, 2^189384028 is an apocalyptic number.

It is an amenable number.

189384028 is a deficient number, since it is larger than the sum of its proper divisors (142038028).

189384028 is a wasteful number, since it uses less digits than its factorization.

189384028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47346011 (or 47346009 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 189384028 is about 13761.6869605438. The cubic root of 189384028 is about 574.2677792450.

The spelling of 189384028 in words is "one hundred eighty-nine million, three hundred eighty-four thousand, twenty-eight".