1044385 has 4 divisors (see below), whose sum is σ = 1253268. Its totient is φ = 835504.

The previous prime is 1044383. The next prime is 1044391. The reversal of 1044385 is 5834401.

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 685584 + 358801 = 828^2 + 599^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044385 - 2¹ = 1044383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044383) 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, 104434 + ... + 104443.

It is an arithmetic number, because the mean of its divisors is an integer number (313317).

2^1044385 is an apocalyptic number.

It is an amenable number.

1044385 is a deficient number, since it is larger than the sum of its proper divisors (208883).

1044385 is an equidigital number, since it uses as much as digits as its factorization.

1044385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208882.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1044385 is about 1021.9515644100. The cubic root of 1044385 is about 101.4581350800.

Adding to 1044385 its reverse (5834401), we get a palindrome (6878786).

It can be divided in two parts, 104 and 4385, that added together give a square (4489 = 67²).

The spelling of 1044385 in words is "one million, forty-four thousand, three hundred eighty-five".