11404004 has 6 divisors (see below), whose sum is σ = 19957014. Its totient is φ = 5702000.

The previous prime is 11403967. The next prime is 11404007. The reversal of 11404004 is 40040411.

It can be written as a sum of positive squares in only one way, i.e., 11235904 + 168100 = 3352^2 + 410^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11404004.

It is not an unprimeable number, because it can be changed into a prime (11404007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425497 + ... + 1425504.

It is an arithmetic number, because the mean of its divisors is an integer number (3326169).

Almost surely, 2^11404004 is an apocalyptic number.

It is an amenable number.

11404004 is a deficient number, since it is larger than the sum of its proper divisors (8553010).

11404004 is a wasteful number, since it uses less digits than its factorization.

11404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851005 (or 2851003 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 11404004 is about 3376.9814923982. The cubic root of 11404004 is about 225.0880577136.

Adding to 11404004 its reverse (40040411), we get a palindrome (51444415).

The spelling of 11404004 in words is "eleven million, four hundred four thousand, four".