11400404 has 24 divisors (see below), whose sum is σ = 21228480. Its totient is φ = 5338496.

The previous prime is 11400401. The next prime is 11400407. The reversal of 11400404 is 40400411.

It is an interprime number because it is at equal distance from previous prime (11400401) and next prime (11400407).

It is a super-2 number, since 2×11400404² = 259938422726432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24179 + ... + 24645.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^11400404 is an apocalyptic number.

It is an amenable number.

11400404 is a deficient number, since it is larger than the sum of its proper divisors (9828076).

11400404 is a wasteful number, since it uses less digits than its factorization.

11400404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 845 counting only the distinct ones).

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

The square root of 11400404 is about 3376.4484299334. The cubic root of 11400404 is about 225.0643700600.

Adding to 11400404 its reverse (40400411), we get a palindrome (51800815).

The spelling of 11400404 in words is "eleven million, four hundred thousand, four hundred four".