1389029 has 4 divisors (see below), whose sum is σ = 1421376. Its totient is φ = 1356684.

The previous prime is 1389007. The next prime is 1389083. The reversal of 1389029 is 9209831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1389029 - 2⁸ = 1388773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1388986 and 1389004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389229) 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 3 ways as a sum of consecutive naturals, for example, 16109 + ... + 16194.

It is an arithmetic number, because the mean of its divisors is an integer number (355344).

2^1389029 is an apocalyptic number.

It is an amenable number.

1389029 is a deficient number, since it is larger than the sum of its proper divisors (32347).

1389029 is an equidigital number, since it uses as much as digits as its factorization.

1389029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32346.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1389029 is about 1178.5707445885. The cubic root of 1389029 is about 111.5759100207.

The spelling of 1389029 in words is "one million, three hundred eighty-nine thousand, twenty-nine".