2404004 has 12 divisors (see below), whose sum is σ = 4454604. Its totient is φ = 1131264.

The previous prime is 2403977. The next prime is 2404009. The reversal of 2404004 is 4004042.

It can be written as a sum of positive squares in 2 ways, for example, as 2244004 + 160000 = 1498^2 + 400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2404004.

It is not an unprimeable number, because it can be changed into a prime (2404009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17609 + ... + 17744.

It is an arithmetic number, because the mean of its divisors is an integer number (371217).

2^2404004 is an apocalyptic number.

It is an amenable number.

2404004 is a deficient number, since it is larger than the sum of its proper divisors (2050600).

2404004 is a wasteful number, since it uses less digits than its factorization.

2404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35374 (or 35372 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2404004 is about 1550.4850853846. The cubic root of 2404004 is about 133.9610044694.

Adding to 2404004 its reverse (4004042), we get a palindrome (6408046).

The spelling of 2404004 in words is "two million, four hundred four thousand, four".