1389116 has 12 divisors (see below), whose sum is σ = 2441880. Its totient is φ = 691440.

The previous prime is 1389107. The next prime is 1389133. The reversal of 1389116 is 6119831.

It is a happy number.

1389116 is nontrivially palindromic in base 9.

It is a super-2 number, since 2×1389116² = 3859286522912, 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, 431 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (203490).

2^1389116 is an apocalyptic number.

It is an amenable number.

1389116 is a deficient number, since it is larger than the sum of its proper divisors (1052764).

1389116 is a wasteful number, since it uses less digits than its factorization.

1389116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1562 counting only the distinct ones).

The product of its digits is 1296, while the sum is 29.

The square root of 1389116 is about 1178.6076531230. The cubic root of 1389116 is about 111.5782394420.

The spelling of 1389116 in words is "one million, three hundred eighty-nine thousand, one hundred sixteen".