1040609 has 4 divisors (see below), whose sum is σ = 1050816. Its totient is φ = 1030404.

The previous prime is 1040597. The next prime is 1040629. The reversal of 1040609 is 9060401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1040609 - 2⁸ = 1040353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040629) 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, 4949 + ... + 5154.

It is an arithmetic number, because the mean of its divisors is an integer number (262704).

2^1040609 is an apocalyptic number.

It is an amenable number.

1040609 is a deficient number, since it is larger than the sum of its proper divisors (10207).

1040609 is a wasteful number, since it uses less digits than its factorization.

1040609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10206.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1040609 is about 1020.1024458357. The cubic root of 1040609 is about 101.3357126153.

The spelling of 1040609 in words is "one million, forty thousand, six hundred nine".