3268649 has 2 divisors, whose sum is σ = 3268650. Its totient is φ = 3268648.

The previous prime is 3268621. The next prime is 3268651. The reversal of 3268649 is 9468623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2958400 + 310249 = 1720^2 + 557^2 .

It is an emirp because it is prime and its reverse (9468623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3268649 - 2¹² = 3264553 is a prime.

Together with 3268651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3268049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1634324 + 1634325.

It is an arithmetic number, because the mean of its divisors is an integer number (1634325).

Almost surely, 2^3268649 is an apocalyptic number.

It is an amenable number.

3268649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3268649 is an equidigital number, since it uses as much as digits as its factorization.

3268649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 3268649 is about 1807.9405410577. The cubic root of 3268649 is about 148.4075841984.

The spelling of 3268649 in words is "three million, two hundred sixty-eight thousand, six hundred forty-nine".