3281873 has 6 divisors (see below), whose sum is σ = 3817746. Its totient is φ = 2812992.

The previous prime is 3281857. The next prime is 3281909. The reversal of 3281873 is 3781823.

It can be written as a sum of positive squares in only one way, i.e., 1882384 + 1399489 = 1372^2 + 1183^2 .

It is not a de Polignac number, because 3281873 - 2⁴ = 3281857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3281273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33440 + ... + 33537.

It is an arithmetic number, because the mean of its divisors is an integer number (636291).

Almost surely, 2^3281873 is an apocalyptic number.

It is an amenable number.

3281873 is a deficient number, since it is larger than the sum of its proper divisors (535873).

3281873 is an equidigital number, since it uses as much as digits as its factorization.

3281873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66991 (or 66984 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 3281873 is about 1811.5940494493. The cubic root of 3281873 is about 148.6074528293.

The spelling of 3281873 in words is "three million, two hundred eighty-one thousand, eight hundred seventy-three".