11438404 has 12 divisors (see below), whose sum is σ = 20164284. Its totient is φ = 5677184.

The previous prime is 11438393. The next prime is 11438423. The reversal of 11438404 is 40483411.

It can be written as a sum of positive squares in 2 ways, for example, as 5198400 + 6240004 = 2280^2 + 2498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9889 + ... + 10984.

It is an arithmetic number, because the mean of its divisors is an integer number (1680357).

Almost surely, 2^11438404 is an apocalyptic number.

It is an amenable number.

11438404 is a deficient number, since it is larger than the sum of its proper divisors (8725880).

11438404 is a wasteful number, since it uses less digits than its factorization.

11438404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21014 (or 21012 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 11438404 is about 3382.0709631822. The cubic root of 11438404 is about 225.3141553963.

The spelling of 11438404 in words is "eleven million, four hundred thirty-eight thousand, four hundred four".