1389033 has 12 divisors (see below), whose sum is σ = 2112240. Its totient is φ = 877176.

The previous prime is 1389007. The next prime is 1389083. The reversal of 1389033 is 3309831.

It is not a de Polignac number, because 1389033 - 2⁵ = 1389001 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1388988 and 1389006.

It is not an unprimeable number, because it can be changed into a prime (1389083) 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, 3891 + ... + 4232.

It is an arithmetic number, because the mean of its divisors is an integer number (176020).

2^1389033 is an apocalyptic number.

It is an amenable number.

1389033 is a deficient number, since it is larger than the sum of its proper divisors (723207).

1389033 is a wasteful number, since it uses less digits than its factorization.

1389033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8148 (or 8145 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1389033 is about 1178.5724415580. The cubic root of 1389033 is about 111.5760171226.

The spelling of 1389033 in words is "one million, three hundred eighty-nine thousand, thirty-three".