4024404 has 30 divisors (see below), whose sum is σ = 10521434. Its totient is φ = 1341360.

The previous prime is 4024399. The next prime is 4024411. The reversal of 4024404 is 4044204.

It is a happy number.

4024404 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., 3992004 + 32400 = 1998^2 + 180^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 5887 + ... + 6534.

Almost surely, 2^4024404 is an apocalyptic number.

It is an amenable number.

4024404 is an abundant number, since it is smaller than the sum of its proper divisors (6497030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4024404 is a wasteful number, since it uses less digits than its factorization.

4024404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12437 (or 12426 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4024404 is about 2006.0917227285. The cubic root of 4024404 is about 159.0622753563.

Adding to 4024404 its reverse (4044204), we get a palindrome (8068608).

The spelling of 4024404 in words is "four million, twenty-four thousand, four hundred four".