3242947 has 2 divisors, whose sum is σ = 3242948. Its totient is φ = 3242946.

The previous prime is 3242929. The next prime is 3242959. The reversal of 3242947 is 7492423.

It is a strong prime.

It is an emirp because it is prime and its reverse (7492423) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3242947 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3 + 2⁵ + 4⁵ + 2²¹ + 9⁵ + 4⁹ + 7⁷ .

It is not a weakly prime, because it can be changed into another prime (3242047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621473 + 1621474.

It is an arithmetic number, because the mean of its divisors is an integer number (1621474).

Almost surely, 2^3242947 is an apocalyptic number.

3242947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3242947 is an equidigital number, since it uses as much as digits as its factorization.

3242947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 3242947 is about 1800.8184250501. The cubic root of 3242947 is about 148.0175746113.

The spelling of 3242947 in words is "three million, two hundred forty-two thousand, nine hundred forty-seven".