1084009 has 8 divisors (see below), whose sum is σ = 1120392. Its totient is φ = 1048320.

The previous prime is 1084001. The next prime is 1084019. The reversal of 1084009 is 9004801.

It can be written as a sum of positive squares in 4 ways, for example, as 27225 + 1056784 = 165^2 + 1028^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1084009 - 2³ = 1084001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5899 + ... + 6079.

It is an arithmetic number, because the mean of its divisors is an integer number (140049).

2^1084009 is an apocalyptic number.

It is an amenable number.

1084009 is a deficient number, since it is larger than the sum of its proper divisors (36383).

1084009 is a wasteful number, since it uses less digits than its factorization.

1084009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1084009 is about 1041.1575289071. The cubic root of 1084009 is about 102.7253499238.

The spelling of 1084009 in words is "one million, eighty-four thousand, nine".