1389627 has 12 divisors (see below), whose sum is σ = 2042040. Its totient is φ = 910368.

The previous prime is 1389623. The next prime is 1389629. The reversal of 1389627 is 7269831.

It is not a de Polignac number, because 1389627 - 2² = 1389623 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1389591 and 1389600.

It is not an unprimeable number, because it can be changed into a prime (1389623) 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, 778 + ... + 1839.

It is an arithmetic number, because the mean of its divisors is an integer number (170170).

2^1389627 is an apocalyptic number.

1389627 is a deficient number, since it is larger than the sum of its proper divisors (652413).

1389627 is a wasteful number, since it uses less digits than its factorization.

1389627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2679 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1389627 is about 1178.8244144061. The cubic root of 1389627 is about 111.5919194828.

It can be divided in two parts, 1389 and 627, that added together give a triangular number (2016 = T₆₃).

The spelling of 1389627 in words is "one million, three hundred eighty-nine thousand, six hundred twenty-seven".