1389069 has 20 divisors (see below), whose sum is σ = 2265120. Its totient is φ = 841320.

The previous prime is 1389007. The next prime is 1389083. The reversal of 1389069 is 9609831.

It is not a de Polignac number, because 1389069 - 2⁷ = 1388941 is a prime.

It is a super-2 number, since 2×1389069² = 3859025373522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389169) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112 + ... + 1670.

It is an arithmetic number, because the mean of its divisors is an integer number (113256).

2^1389069 is an apocalyptic number.

It is an amenable number.

1389069 is a deficient number, since it is larger than the sum of its proper divisors (876051).

1389069 is a wasteful number, since it uses less digits than its factorization.

1389069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1389069 is about 1178.5877141732. The cubic root of 1389069 is about 111.5769810311.

The spelling of 1389069 in words is "one million, three hundred eighty-nine thousand, sixty-nine".