1389614 has 16 divisors (see below), whose sum is σ = 2304288. Its totient is φ = 625152.

The previous prime is 1389589. The next prime is 1389623. The reversal of 1389614 is 4169831.

Added to its reverse (4169831) it gives a triangular number (5559445 = T₃₃₃₄).

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 107 + ... + 1670.

It is an arithmetic number, because the mean of its divisors is an integer number (144018).

2^1389614 is an apocalyptic number.

1389614 is a deficient number, since it is larger than the sum of its proper divisors (914674).

1389614 is a wasteful number, since it uses less digits than its factorization.

1389614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819.

The product of its digits is 5184, while the sum is 32.

The square root of 1389614 is about 1178.8189004253. The cubic root of 1389614 is about 111.5915714998.

Adding to 1389614 its reverse (4169831), we get a triangular number (5559445 = T₃₃₃₄).

The spelling of 1389614 in words is "one million, three hundred eighty-nine thousand, six hundred fourteen".