2238404 has 12 divisors (see below), whose sum is σ = 4476864. Its totient is φ = 959304.

The previous prime is 2238391. The next prime is 2238413. The reversal of 2238404 is 4048322.

2238404 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2238404.

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, 39944 + ... + 39999.

It is an arithmetic number, because the mean of its divisors is an integer number (373072).

2^2238404 is an apocalyptic number.

It is an amenable number.

2238404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2238404 is a wasteful number, since it uses less digits than its factorization.

2238404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79954 (or 79952 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2238404 is about 1496.1296735243. The cubic root of 2238404 is about 130.8115698943.

The spelling of 2238404 in words is "two million, two hundred thirty-eight thousand, four hundred four".