189934914 has 32 divisors (see below), whose sum is σ = 433157760. Its totient is φ = 55003392.

The previous prime is 189934909. The next prime is 189934937. The reversal of 189934914 is 419439981.

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, 70294 + ... + 72945.

It is an arithmetic number, because the mean of its divisors is an integer number (13536180).

Almost surely, 2^189934914 is an apocalyptic number.

189934914 is an abundant number, since it is smaller than the sum of its proper divisors (243222846).

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

189934914 is a wasteful number, since it uses less digits than its factorization.

189934914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143274.

The product of its digits is 279936, while the sum is 48.

The square root of 189934914 is about 13781.6876325071. The cubic root of 189934914 is about 574.8240560614.

The spelling of 189934914 in words is "one hundred eighty-nine million, nine hundred thirty-four thousand, nine hundred fourteen".