3420056 has 16 divisors (see below), whose sum is σ = 6569640. Its totient is φ = 1668160.

The previous prime is 3420047. The next prime is 3420059. The reversal of 3420056 is 6500243.

3420056 is digitally balanced in base 2, because in such base 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 (3420059) 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, 4886 + ... + 5541.

Almost surely, 2^3420056 is an apocalyptic number.

It is an amenable number.

3420056 is a deficient number, since it is larger than the sum of its proper divisors (3149584).

3420056 is a wasteful number, since it uses less digits than its factorization.

3420056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474 (or 10470 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3420056 is about 1849.3393414947. The cubic root of 3420056 is about 150.6645477900.

Adding to 3420056 its reverse (6500243), we get a palindrome (9920299).

The spelling of 3420056 in words is "three million, four hundred twenty thousand, fifty-six".