1389168 has 60 divisors (see below), whose sum is σ = 4246008. Its totient is φ = 420480.

The previous prime is 1389163. The next prime is 1389169. The reversal of 1389168 is 8619831.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146 + ... + 2022.

2^1389168 is an apocalyptic number.

1389168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2123004).

1389168 is an abundant number, since it is smaller than the sum of its proper divisors (2856840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1389168 is a wasteful number, since it uses less digits than its factorization.

1389168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 893 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1389168 is about 1178.6297128445. The cubic root of 1389168 is about 111.5796316934.

The spelling of 1389168 in words is "one million, three hundred eighty-nine thousand, one hundred sixty-eight".