3440404 has 12 divisors (see below), whose sum is σ = 6568128. Its totient is φ = 1563800.

The previous prime is 3440399. The next prime is 3440413. The reversal of 3440404 is 4040443.

3440404 is a modest number, since divided by 404 gives 344 as remainder.

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, 39052 + ... + 39139.

It is an arithmetic number, because the mean of its divisors is an integer number (547344).

Almost surely, 2^3440404 is an apocalyptic number.

It is an amenable number.

3440404 is a deficient number, since it is larger than the sum of its proper divisors (3127724).

3440404 is a wasteful number, since it uses less digits than its factorization.

3440404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78206 (or 78204 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 3440404 is about 1854.8326070026. The cubic root of 3440404 is about 150.9627556054.

Adding to 3440404 its reverse (4040443), we get a palindrome (7480847).

It can be divided in two parts, 3440 and 404, that added together give a square (3844 = 62²).

The spelling of 3440404 in words is "three million, four hundred forty thousand, four hundred four".