1389394 has 8 divisors (see below), whose sum is σ = 2193840. Its totient is φ = 658116.

The previous prime is 1389383. The next prime is 1389403. The reversal of 1389394 is 4939831.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 18244 + ... + 18319.

It is an arithmetic number, because the mean of its divisors is an integer number (274230).

2^1389394 is an apocalyptic number.

1389394 is a deficient number, since it is larger than the sum of its proper divisors (804446).

1389394 is a wasteful number, since it uses less digits than its factorization.

1389394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36584.

The product of its digits is 23328, while the sum is 37.

The square root of 1389394 is about 1178.7255829921. The cubic root of 1389394 is about 111.5856822286.

The spelling of 1389394 in words is "one million, three hundred eighty-nine thousand, three hundred ninety-four".