1389652 has 12 divisors (see below), whose sum is σ = 2653056. Its totient is φ = 631640.

The previous prime is 1389643. The next prime is 1389667. The reversal of 1389652 is 2569831.

It is a super-2 number, since 2×1389652² = 3862265362208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15748 + ... + 15835.

It is an arithmetic number, because the mean of its divisors is an integer number (221088).

2^1389652 is an apocalyptic number.

It is an amenable number.

1389652 is a deficient number, since it is larger than the sum of its proper divisors (1263404).

1389652 is a wasteful number, since it uses less digits than its factorization.

1389652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31598 (or 31596 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 1389652 is about 1178.8350181429. The cubic root of 1389652 is about 111.5925886746.

The spelling of 1389652 in words is "one million, three hundred eighty-nine thousand, six hundred fifty-two".