1389622 has 32 divisors (see below), whose sum is σ = 2469600. Its totient is φ = 580608.

The previous prime is 1389589. The next prime is 1389623. The reversal of 1389622 is 2269831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14278 + ... + 14374.

It is an arithmetic number, because the mean of its divisors is an integer number (77175).

2^1389622 is an apocalyptic number.

1389622 is a deficient number, since it is larger than the sum of its proper divisors (1079978).

1389622 is a wasteful number, since it uses less digits than its factorization.

1389622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160.

The product of its digits is 5184, while the sum is 31.

The square root of 1389622 is about 1178.8222936474. The cubic root of 1389622 is about 111.5917856434.

The spelling of 1389622 in words is "one million, three hundred eighty-nine thousand, six hundred twenty-two".