189089214 has 8 divisors (see below), whose sum is σ = 378178440. Its totient is φ = 63029736.

The previous prime is 189089191. The next prime is 189089227. The reversal of 189089214 is 412980981.

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

189089214 is an admirable number.

It is a super-2 number, since 2×189089214² = 71509461702275592, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 15757429 + ... + 15757440.

It is an arithmetic number, because the mean of its divisors is an integer number (47272305).

Almost surely, 2^189089214 is an apocalyptic number.

189089214 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.

189089214 is a wasteful number, since it uses less digits than its factorization.

189089214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31514874.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 189089214 is about 13750.9713838696. The cubic root of 189089214 is about 573.9696370525.

The spelling of 189089214 in words is "one hundred eighty-nine million, eighty-nine thousand, two hundred fourteen".