1338404 has 12 divisors (see below), whose sum is σ = 2399628. Its totient is φ = 652800.

The previous prime is 1338397. The next prime is 1338413. The reversal of 1338404 is 4048331.

1338404 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 240100 + 1098304 = 490^2 + 1048^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1338404.

It is a congruent number.

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, 3917 + ... + 4244.

It is an arithmetic number, because the mean of its divisors is an integer number (199969).

2^1338404 is an apocalyptic number.

It is an amenable number.

1338404 is a deficient number, since it is larger than the sum of its proper divisors (1061224).

1338404 is a wasteful number, since it uses less digits than its factorization.

1338404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8206 (or 8204 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1338404 is about 1156.8941178863. The cubic root of 1338404 is about 110.2035899020.

The spelling of 1338404 in words is "one million, three hundred thirty-eight thousand, four hundred four".