189384396 has 12 divisors (see below), whose sum is σ = 441896952. Its totient is φ = 63128128.

The previous prime is 189384379. The next prime is 189384407. The reversal of 189384396 is 693483981.

189384396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7891005 + ... + 7891028.

It is an arithmetic number, because the mean of its divisors is an integer number (36824746).

Almost surely, 2^189384396 is an apocalyptic number.

It is an amenable number.

189384396 is an abundant number, since it is smaller than the sum of its proper divisors (252512556).

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

189384396 is a wasteful number, since it uses less digits than its factorization.

189384396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15782040 (or 15782038 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 189384396 is about 13761.7003309911. The cubic root of 189384396 is about 574.2681512059.

The spelling of 189384396 in words is "one hundred eighty-nine million, three hundred eighty-four thousand, three hundred ninety-six".