1389152 has 12 divisors (see below), whose sum is σ = 2734956. Its totient is φ = 694560.

The previous prime is 1389149. The next prime is 1389163. The reversal of 1389152 is 2519831.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21674 + ... + 21737.

It is an arithmetic number, because the mean of its divisors is an integer number (227913).

2^1389152 is an apocalyptic number.

It is an amenable number.

1389152 is a deficient number, since it is larger than the sum of its proper divisors (1345804).

1389152 is an equidigital number, since it uses as much as digits as its factorization.

1389152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43421 (or 43413 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 1389152 is about 1178.6229252819. The cubic root of 1389152 is about 111.5792033121.

The spelling of 1389152 in words is "one million, three hundred eighty-nine thousand, one hundred fifty-two".