3421305 has 16 divisors (see below), whose sum is σ = 6082560. Its totient is φ = 1824624.

The previous prime is 3421241. The next prime is 3421321. The reversal of 3421305 is 5031243.

3421305 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 3421305 - 2⁶ = 3421241 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 12537 + ... + 12806.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

Almost surely, 2^3421305 is an apocalyptic number.

It is an amenable number.

3421305 is a deficient number, since it is larger than the sum of its proper divisors (2661255).

3421305 is a wasteful number, since it uses less digits than its factorization.

3421305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25357 (or 25351 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3421305 is about 1849.6769988298. The cubic root of 3421305 is about 150.6828863900.

Adding to 3421305 its reverse (5031243), we get a palindrome (8452548).

The spelling of 3421305 in words is "three million, four hundred twenty-one thousand, three hundred five".