1389532 has 12 divisors (see below), whose sum is σ = 2454760. Its totient is φ = 688176.

The previous prime is 1389511. The next prime is 1389533. The reversal of 1389532 is 2359831.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1389494 and 1389503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158 + ... + 2029.

2^1389532 is an apocalyptic number.

It is an amenable number.

1389532 is a deficient number, since it is larger than the sum of its proper divisors (1065228).

1389532 is a wasteful number, since it uses less digits than its factorization.

1389532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300 (or 3298 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 1389532 is about 1178.7841193365. The cubic root of 1389532 is about 111.5893764805.

Subtracting 1389532 from its reverse (2359831), we obtain a cube (970299 = 99³).

The spelling of 1389532 in words is "one million, three hundred eighty-nine thousand, five hundred thirty-two".