2104404 has 24 divisors (see below), whose sum is σ = 5069568. Its totient is φ = 678720.

The previous prime is 2104397. The next prime is 2104423. The reversal of 2104404 is 4044012.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2457 + ... + 3200.

It is an arithmetic number, because the mean of its divisors is an integer number (211232).

2^2104404 is an apocalyptic number.

It is an amenable number.

2104404 is an abundant number, since it is smaller than the sum of its proper divisors (2965164).

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

2104404 is a wasteful number, since it uses less digits than its factorization.

2104404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695 (or 5693 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2104404 is about 1450.6564031500. The cubic root of 2104404 is about 128.1473725754.

Adding to 2104404 its reverse (4044012), we get a palindrome (6148416).

The spelling of 2104404 in words is "two million, one hundred four thousand, four hundred four".