3394661 has 2 divisors, whose sum is σ = 3394662. Its totient is φ = 3394660.

The previous prime is 3394637. The next prime is 3394663. The reversal of 3394661 is 1664933.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3150625 + 244036 = 1775^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 3394661 - 2¹⁸ = 3132517 is a prime.

It is a Sophie Germain prime.

Together with 3394663, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3394663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1697330 + 1697331.

It is an arithmetic number, because the mean of its divisors is an integer number (1697331).

Almost surely, 2^3394661 is an apocalyptic number.

It is an amenable number.

3394661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3394661 is an equidigital number, since it uses as much as digits as its factorization.

3394661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 3394661 is about 1842.4605830248. The cubic root of 3394661 is about 150.2907102936.

The spelling of 3394661 in words is "three million, three hundred ninety-four thousand, six hundred sixty-one".