3421085 has 4 divisors (see below), whose sum is σ = 4105308. Its totient is φ = 2736864.

The previous prime is 3421079. The next prime is 3421091. The reversal of 3421085 is 5801243.

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

It is an interprime number because it is at equal distance from previous prime (3421079) and next prime (3421091).

It can be written as a sum of positive squares in 2 ways, for example, as 2316484 + 1104601 = 1522^2 + 1051^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421085 - 2⁴ = 3421069 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3421085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342104 + ... + 342113.

It is an arithmetic number, because the mean of its divisors is an integer number (1026327).

Almost surely, 2^3421085 is an apocalyptic number.

It is an amenable number.

3421085 is a deficient number, since it is larger than the sum of its proper divisors (684223).

3421085 is an equidigital number, since it uses as much as digits as its factorization.

3421085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684222.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3421085 is about 1849.6175280311. The cubic root of 3421085 is about 150.6796565362.

It can be divided in two parts, 3 and 421085, that multiplied together give a triangular number (1263255 = T₁₅₈₉).

The spelling of 3421085 in words is "three million, four hundred twenty-one thousand, eighty-five".