1389716 has 24 divisors (see below), whose sum is σ = 2612736. Its totient is φ = 644480.

The previous prime is 1389697. The next prime is 1389727. The reversal of 1389716 is 6179831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7181 + ... + 7371.

It is an arithmetic number, because the mean of its divisors is an integer number (108864).

2^1389716 is an apocalyptic number.

It is an amenable number.

1389716 is a deficient number, since it is larger than the sum of its proper divisors (1223020).

1389716 is a wasteful number, since it uses less digits than its factorization.

1389716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 317 counting only the distinct ones).

The product of its digits is 9072, while the sum is 35.

The square root of 1389716 is about 1178.8621632744. The cubic root of 1389716 is about 111.5943017692.

The spelling of 1389716 in words is "one million, three hundred eighty-nine thousand, seven hundred sixteen".