1689214 has 8 divisors (see below), whose sum is σ = 2667240. Its totient is φ = 800136.

The previous prime is 1689211. The next prime is 1689217. The reversal of 1689214 is 4129861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1689211) and next prime (1689217).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1689211) 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, 22189 + ... + 22264.

It is an arithmetic number, because the mean of its divisors is an integer number (333405).

2^1689214 is an apocalyptic number.

1689214 is a deficient number, since it is larger than the sum of its proper divisors (978026).

1689214 is a wasteful number, since it uses less digits than its factorization.

1689214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44474.

The product of its digits is 3456, while the sum is 31.

The square root of 1689214 is about 1299.6976571495. The cubic root of 1689214 is about 119.0953734864.

It can be divided in two parts, 168921 and 4, that multiplied together give a square (675684 = 822²).

The spelling of 1689214 in words is "one million, six hundred eighty-nine thousand, two hundred fourteen".