1389104 has 20 divisors (see below), whose sum is σ = 2850264. Its totient is φ = 653568.

The previous prime is 1389097. The next prime is 1389107. The reversal of 1389104 is 4019831.

It is not an unprimeable number, because it can be changed into a prime (1389107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282 + ... + 2825.

2^1389104 is an apocalyptic number.

It is an amenable number.

1389104 is an abundant number, since it is smaller than the sum of its proper divisors (1461160).

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

1389104 is a wasteful number, since it uses less digits than its factorization.

1389104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132 (or 5126 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1389104 is about 1178.6025623593. The cubic root of 1389104 is about 111.5779181483.

The spelling of 1389104 in words is "one million, three hundred eighty-nine thousand, one hundred four".