2905404 has 24 divisors (see below), whose sum is σ = 7136640. Its totient is φ = 917424.

The previous prime is 2905403. The next prime is 2905411. The reversal of 2905404 is 4045092.

2905404 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6144 + ... + 6599.

It is an arithmetic number, because the mean of its divisors is an integer number (297360).

2^2905404 is an apocalyptic number.

It is an amenable number.

2905404 is an abundant number, since it is smaller than the sum of its proper divisors (4231236).

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

2905404 is a wasteful number, since it uses less digits than its factorization.

2905404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12769 (or 12767 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2905404 is about 1704.5245671448. The cubic root of 2905404 is about 142.6928383387.

The spelling of 2905404 in words is "two million, nine hundred five thousand, four hundred four".