189690214 has 16 divisors (see below), whose sum is σ = 332103168. Its totient is φ = 79565832.

The previous prime is 189690211. The next prime is 189690229. The reversal of 189690214 is 412096981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189690211) 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, 143484 + ... + 144799.

It is an arithmetic number, because the mean of its divisors is an integer number (20756448).

Almost surely, 2^189690214 is an apocalyptic number.

189690214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

189690214 is a deficient number, since it is larger than the sum of its proper divisors (142412954).

189690214 is a wasteful number, since it uses less digits than its factorization.

189690214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288339.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 189690214 is about 13772.8070486738. The cubic root of 189690214 is about 574.5770944534.

The spelling of 189690214 in words is "one hundred eighty-nine million, six hundred ninety thousand, two hundred fourteen".