1004049 has 16 divisors (see below), whose sum is σ = 1525440. Its totient is φ = 652320.

The previous prime is 1004033. The next prime is 1004053. The reversal of 1004049 is 9404001.

It is not a de Polignac number, because 1004049 - 2⁴ = 1004033 is a prime.

It is a super-2 number, since 2×1004049² = 2016228788802, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1004089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654 + ... + 1560.

It is an arithmetic number, because the mean of its divisors is an integer number (95340).

2^1004049 is an apocalyptic number.

It is an amenable number.

1004049 is a deficient number, since it is larger than the sum of its proper divisors (521391).

1004049 is an equidigital number, since it uses as much as digits as its factorization.

1004049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1004049 is about 1002.0224548382. The cubic root of 1004049 is about 100.1347849153.

The spelling of 1004049 in words is "one million, four thousand, forty-nine".