1094389 has 4 divisors (see below), whose sum is σ = 1096524. Its totient is φ = 1092256.

The previous prime is 1094377. The next prime is 1094407. The reversal of 1094389 is 9834901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 887364 + 207025 = 942^2 + 455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1094389 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1094339) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 219 + ... + 1495.

It is an arithmetic number, because the mean of its divisors is an integer number (274131).

2^1094389 is an apocalyptic number.

It is an amenable number.

1094389 is a deficient number, since it is larger than the sum of its proper divisors (2135).

1094389 is an equidigital number, since it uses as much as digits as its factorization.

1094389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1094389 is about 1046.1304889926. The cubic root of 1094389 is about 103.0521933609.

The spelling of 1094389 in words is "one million, ninety-four thousand, three hundred eighty-nine".