189736338 has 32 divisors (see below), whose sum is σ = 431972352. Its totient is φ = 54995600.

The previous prime is 189736307. The next prime is 189736363. The reversal of 189736338 is 833637981.

189736338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60978 + ... + 64013.

It is an arithmetic number, because the mean of its divisors is an integer number (13499136).

Almost surely, 2^189736338 is an apocalyptic number.

189736338 is an abundant number, since it is smaller than the sum of its proper divisors (242236014).

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

189736338 is a wasteful number, since it uses less digits than its factorization.

189736338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125030.

The product of its digits is 653184, while the sum is 48.

The square root of 189736338 is about 13774.4814058461. The cubic root of 189736338 is about 574.6236609852.

The spelling of 189736338 in words is "one hundred eighty-nine million, seven hundred thirty-six thousand, three hundred thirty-eight".