3420085 has 4 divisors (see below), whose sum is σ = 4104108. Its totient is φ = 2736064.

The previous prime is 3420083. The next prime is 3420089. The reversal of 3420085 is 5800243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2486929 + 933156 = 1577^2 + 966^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420085 - 2¹ = 3420083 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 (3420083) 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, 342004 + ... + 342013.

It is an arithmetic number, because the mean of its divisors is an integer number (1026027).

Almost surely, 2^3420085 is an apocalyptic number.

It is an amenable number.

3420085 is a deficient number, since it is larger than the sum of its proper divisors (684023).

3420085 is an equidigital number, since it uses as much as digits as its factorization.

3420085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684022.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3420085 is about 1849.3471821159. The cubic root of 3420085 is about 150.6649736368.

The spelling of 3420085 in words is "three million, four hundred twenty thousand, eighty-five".