3405944 has 16 divisors (see below), whose sum is σ = 6535320. Its totient is φ = 1663200.

The previous prime is 3405943. The next prime is 3405947. The reversal of 3405944 is 4495043.

It is a super-2 number, since 2×3405944² = 23200909062272, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4607 + ... + 5294.

Almost surely, 2^3405944 is an apocalyptic number.

It is an amenable number.

3405944 is a deficient number, since it is larger than the sum of its proper divisors (3129376).

3405944 is a wasteful number, since it uses less digits than its factorization.

3405944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9950 (or 9946 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3405944 is about 1845.5199809268. The cubic root of 3405944 is about 150.4570356713.

The spelling of 3405944 in words is "three million, four hundred five thousand, nine hundred forty-four".