3287217 has 4 divisors (see below), whose sum is σ = 4382960. Its totient is φ = 2191476.

The previous prime is 3287189. The next prime is 3287261. The reversal of 3287217 is 7127823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3287217 - 2¹¹ = 3285169 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3287267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547867 + ... + 547872.

It is an arithmetic number, because the mean of its divisors is an integer number (1095740).

Almost surely, 2^3287217 is an apocalyptic number.

It is an amenable number.

3287217 is a deficient number, since it is larger than the sum of its proper divisors (1095743).

3287217 is a wasteful number, since it uses less digits than its factorization.

3287217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095742.

The product of its digits is 4704, while the sum is 30.

The square root of 3287217 is about 1813.0683936355. The cubic root of 3287217 is about 148.6880701643.

Subtracting 3287217 from its reverse (7127823), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 3287217 in words is "three million, two hundred eighty-seven thousand, two hundred seventeen".