3394561 has 2 divisors, whose sum is σ = 3394562. Its totient is φ = 3394560.

The previous prime is 3394553. The next prime is 3394579. The reversal of 3394561 is 1654933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2480625 + 913936 = 1575^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 3394561 - 2³ = 3394553 is a prime.

It is not a weakly prime, because it can be changed into another prime (3394591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1697280 + 1697281.

It is an arithmetic number, because the mean of its divisors is an integer number (1697281).

Almost surely, 2^3394561 is an apocalyptic number.

It is an amenable number.

3394561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3394561 is an equidigital number, since it uses as much as digits as its factorization.

3394561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 3394561 is about 1842.4334452023. The cubic root of 3394561 is about 150.2892345234.

It can be divided in two parts, 339 and 4561, that added together give a square (4900 = 70²).

The spelling of 3394561 in words is "three million, three hundred ninety-four thousand, five hundred sixty-one".