3290641 has 2 divisors, whose sum is σ = 3290642. Its totient is φ = 3290640.

The previous prime is 3290593. The next prime is 3290647. The reversal of 3290641 is 1460923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3225616 + 65025 = 1796^2 + 255^2 .

It is an emirp because it is prime and its reverse (1460923) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3290641 is a prime.

It is not a weakly prime, because it can be changed into another prime (3290647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1645320 + 1645321.

It is an arithmetic number, because the mean of its divisors is an integer number (1645321).

Almost surely, 2^3290641 is an apocalyptic number.

It is an amenable number.

3290641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3290641 is an equidigital number, since it uses as much as digits as its factorization.

3290641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3290641 is about 1814.0124034857. The cubic root of 3290641 is about 148.7396772725.

The spelling of 3290641 in words is "three million, two hundred ninety thousand, six hundred forty-one".