8004049 has 4 divisors (see below), whose sum is σ = 8016820. Its totient is φ = 7991280.

The previous prime is 8004047. The next prime is 8004067. The reversal of 8004049 is 9404008.

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 7463824 + 540225 = 2732^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 8004049 - 2¹ = 8004047 is a prime.

It is a super-3 number, since 3×8004049³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8004047) 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, 5394 + ... + 6715.

It is an arithmetic number, because the mean of its divisors is an integer number (2004205).

Almost surely, 2^8004049 is an apocalyptic number.

It is an amenable number.

8004049 is a deficient number, since it is larger than the sum of its proper divisors (12771).

8004049 is a wasteful number, since it uses less digits than its factorization.

8004049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12770.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8004049 is about 2829.1428030412. The cubic root of 8004049 is about 200.0337359758.

It can be divided in two parts, 80040 and 49, that added together give a square (80089 = 283²).

The spelling of 8004049 in words is "eight million, four thousand, forty-nine".