3420475 has 18 divisors (see below), whose sum is σ = 4488180. Its totient is φ = 2585520.

The previous prime is 3420457. The next prime is 3420481. The reversal of 3420475 is 5740243.

3420475 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 3420475 - 2⁹ = 3419963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 8836 + ... + 9214.

Almost surely, 2^3420475 is an apocalyptic number.

3420475 is a deficient number, since it is larger than the sum of its proper divisors (1067705).

3420475 is a wasteful number, since it uses less digits than its factorization.

3420475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 3420475 is about 1849.4526217235. The cubic root of 3420475 is about 150.6707003079.

The spelling of 3420475 in words is "three million, four hundred twenty thousand, four hundred seventy-five".