1389411 has 12 divisors (see below), whose sum is σ = 2017392. Its totient is φ = 921456.

The previous prime is 1389403. The next prime is 1389431. The reversal of 1389411 is 1149831.

It is not a de Polignac number, because 1389411 - 2³ = 1389403 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1389431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2610 + ... + 3096.

It is an arithmetic number, because the mean of its divisors is an integer number (168116).

2^1389411 is an apocalyptic number.

1389411 is a deficient number, since it is larger than the sum of its proper divisors (627981).

1389411 is a wasteful number, since it uses less digits than its factorization.

1389411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 807 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1389411 is about 1178.7327941480. The cubic root of 1389411 is about 111.5861373308.

The spelling of 1389411 in words is "one million, three hundred eighty-nine thousand, four hundred eleven".