1389519 has 12 divisors (see below), whose sum is σ = 2040792. Its totient is φ = 910800.

The previous prime is 1389511. The next prime is 1389533. The reversal of 1389519 is 9159831.

It is a happy number.

1389519 is a `hidden beast` number, since 138 + 9 + 519 = 666.

It is not a de Polignac number, because 1389519 - 2³ = 1389511 is a prime.

It is a super-2 number, since 2×1389519² = 3861526102722, which contains 22 as substring.

1389519 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389511) 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 11 ways as a sum of consecutive naturals, for example, 717 + ... + 1814.

It is an arithmetic number, because the mean of its divisors is an integer number (170066).

2^1389519 is an apocalyptic number.

1389519 is a deficient number, since it is larger than the sum of its proper divisors (651273).

1389519 is a wasteful number, since it uses less digits than its factorization.

1389519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598 (or 2595 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 1389519 is about 1178.7786051672. The cubic root of 1389519 is about 111.5890284817.

The spelling of 1389519 in words is "one million, three hundred eighty-nine thousand, five hundred nineteen".