189371814 has 8 divisors (see below), whose sum is σ = 378743640. Its totient is φ = 63123936.

The previous prime is 189371807. The next prime is 189371837. The reversal of 189371814 is 418173981.

189371814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

189371814 is an admirable number.

It is a congruent number.

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, 15780979 + ... + 15780990.

It is an arithmetic number, because the mean of its divisors is an integer number (47342955).

Almost surely, 2^189371814 is an apocalyptic number.

189371814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189371814 is a wasteful number, since it uses less digits than its factorization.

189371814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31561974.

The product of its digits is 48384, while the sum is 42.

The square root of 189371814 is about 13761.2431851196. The cubic root of 189371814 is about 574.2554335058.

The spelling of 189371814 in words is "one hundred eighty-nine million, three hundred seventy-one thousand, eight hundred fourteen".