189420214 has 8 divisors (see below), whose sum is σ = 285405120. Its totient is φ = 94285176.

The previous prime is 189420163. The next prime is 189420229. The reversal of 189420214 is 412024981.

189420214 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.

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, 211909 + ... + 212800.

It is an arithmetic number, because the mean of its divisors is an integer number (35675640).

Almost surely, 2^189420214 is an apocalyptic number.

189420214 is a deficient number, since it is larger than the sum of its proper divisors (95984906).

189420214 is a wasteful number, since it uses less digits than its factorization.

189420214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424934.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 189420214 is about 13763.0016348179. The cubic root of 189420214 is about 574.3043524286.

The spelling of 189420214 in words is "one hundred eighty-nine million, four hundred twenty thousand, two hundred fourteen".