3281205 has 32 divisors (see below), whose sum is σ = 5731200. Its totient is φ = 1596672.

The previous prime is 3281183. The next prime is 3281207. The reversal of 3281205 is 5021823.

It is not a de Polignac number, because 3281205 - 2⁶ = 3281141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8067 + ... + 8463.

It is an arithmetic number, because the mean of its divisors is an integer number (179100).

Almost surely, 2^3281205 is an apocalyptic number.

It is an amenable number.

3281205 is a deficient number, since it is larger than the sum of its proper divisors (2449995).

3281205 is a wasteful number, since it uses less digits than its factorization.

3281205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 3281205 is about 1811.4096720510. The cubic root of 3281205 is about 148.5973695106.

It can be divided in two parts, 3281 and 205, that added together give a triangular number (3486 = T₈₃).

The spelling of 3281205 in words is "three million, two hundred eighty-one thousand, two hundred five".