189748934 has 16 divisors (see below), whose sum is σ = 317228400. Its totient is φ = 84593664.

The previous prime is 189748931. The next prime is 189749023. The reversal of 189748934 is 439847981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189748931) 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, 146219 + ... + 147510.

It is an arithmetic number, because the mean of its divisors is an integer number (19826775).

Almost surely, 2^189748934 is an apocalyptic number.

189748934 is a deficient number, since it is larger than the sum of its proper divisors (127479466).

189748934 is a wasteful number, since it uses less digits than its factorization.

189748934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293767.

The product of its digits is 1741824, while the sum is 53.

The square root of 189748934 is about 13774.9386205529. The cubic root of 189748934 is about 574.6363765243.

The spelling of 189748934 in words is "one hundred eighty-nine million, seven hundred forty-eight thousand, nine hundred thirty-four".