2043404 has 12 divisors (see below), whose sum is σ = 3901128. Its totient is φ = 928800.

The previous prime is 2043401. The next prime is 2043409. The reversal of 2043404 is 4043402.

2043404 = T₁₇₀ + T₁₇₁ + ... + T₂₅₇.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2043401) 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 3 ways as a sum of consecutive naturals, for example, 23177 + ... + 23264.

It is an arithmetic number, because the mean of its divisors is an integer number (325094).

2^2043404 is an apocalyptic number.

It is an amenable number.

2043404 is a deficient number, since it is larger than the sum of its proper divisors (1857724).

2043404 is a wasteful number, since it uses less digits than its factorization.

2043404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46456 (or 46454 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2043404 is about 1429.4768273743. The cubic root of 2043404 is about 126.8970169755.

Adding to 2043404 its reverse (4043402), we get a palindrome (6086806).

The spelling of 2043404 in words is "two million, forty-three thousand, four hundred four".