4090004 has 6 divisors (see below), whose sum is σ = 7157514. Its totient is φ = 2045000.

The previous prime is 4090003. The next prime is 4090019. The reversal of 4090004 is 4000904.

4090004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4080400 + 9604 = 2020^2 + 98^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4090001) 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 as a sum of consecutive naturals, namely, 511247 + ... + 511254.

It is an arithmetic number, because the mean of its divisors is an integer number (1192919).

Almost surely, 2^4090004 is an apocalyptic number.

It is an amenable number.

4090004 is a deficient number, since it is larger than the sum of its proper divisors (3067510).

4090004 is a wasteful number, since it uses less digits than its factorization.

4090004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022505 (or 1022503 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4090004 is about 2022.3758305518. The cubic root of 4090004 is about 159.9218889562.

Adding to 4090004 its reverse (4000904), we get a palindrome (8090908).

The spelling of 4090004 in words is "four million, ninety thousand, four".