3420775 has 12 divisors (see below), whose sum is σ = 4265352. Its totient is φ = 2721440.

The previous prime is 3420773. The next prime is 3420787. The reversal of 3420775 is 5770243.

3420775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3420775 - 2¹ = 3420773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420773) 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 11 ways as a sum of consecutive naturals, for example, 7092 + ... + 7558.

It is an arithmetic number, because the mean of its divisors is an integer number (355446).

Almost surely, 2^3420775 is an apocalyptic number.

3420775 is a deficient number, since it is larger than the sum of its proper divisors (844577).

3420775 is a wasteful number, since it uses less digits than its factorization.

3420775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 3420775 is about 1849.5337250237. The cubic root of 3420775 is about 150.6751051434.

The spelling of 3420775 in words is "three million, four hundred twenty thousand, seven hundred seventy-five".