1389414 has 32 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 417312.

The previous prime is 1389403. The next prime is 1389431. The reversal of 1389414 is 4149831.

It is a happy number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3477 + ... + 3855.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2^1389414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532160).

1389414 is an abundant number, since it is smaller than the sum of its proper divisors (1674906).

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

1389414 is a wasteful number, since it uses less digits than its factorization.

1389414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its digits is 3456, while the sum is 30.

The square root of 1389414 is about 1178.7340667004. The cubic root of 1389414 is about 111.5862176425.

The spelling of 1389414 in words is "one million, three hundred eighty-nine thousand, four hundred fourteen".