3285647 has 2 divisors, whose sum is σ = 3285648. Its totient is φ = 3285646.

The previous prime is 3285593. The next prime is 3285677. The reversal of 3285647 is 7465823.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3285647 - 2²⁰ = 2237071 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 2⁷ + 8⁷ + 5⁷ + 6³ + 4¹⁰ + 7⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3285677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642823 + 1642824.

It is an arithmetic number, because the mean of its divisors is an integer number (1642824).

Almost surely, 2^3285647 is an apocalyptic number.

3285647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3285647 is an equidigital number, since it uses as much as digits as its factorization.

3285647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 3285647 is about 1812.6353742548. The cubic root of 3285647 is about 148.6643948746.

The spelling of 3285647 in words is "three million, two hundred eighty-five thousand, six hundred forty-seven".