1989214 has 8 divisors (see below), whose sum is σ = 2996928. Its totient is φ = 990240.

The previous prime is 1989203. The next prime is 1989217. The reversal of 1989214 is 4129891.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1989214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1989217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1582 + ... + 2545.

It is an arithmetic number, because the mean of its divisors is an integer number (374616).

2^1989214 is an apocalyptic number.

1989214 is a deficient number, since it is larger than the sum of its proper divisors (1007714).

1989214 is a wasteful number, since it uses less digits than its factorization.

1989214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370.

The product of its digits is 5184, while the sum is 34.

The square root of 1989214 is about 1410.3949801385. The cubic root of 1989214 is about 125.7652048010.

The spelling of 1989214 in words is "one million, nine hundred eighty-nine thousand, two hundred fourteen".