3435661 has 2 divisors, whose sum is σ = 3435662. Its totient is φ = 3435660.

The previous prime is 3435623. The next prime is 3435673. The reversal of 3435661 is 1665343.

3435661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1771561 + 1664100 = 1331^2 + 1290^2 .

It is an emirp because it is prime and its reverse (1665343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3435661 - 2¹¹ = 3433613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3435361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1717830 + 1717831.

It is an arithmetic number, because the mean of its divisors is an integer number (1717831).

Almost surely, 2^3435661 is an apocalyptic number.

It is an amenable number.

3435661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3435661 is an equidigital number, since it uses as much as digits as its factorization.

3435661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The square root of 3435661 is about 1853.5536140074. The cubic root of 3435661 is about 150.8933504193.

It can be divided in two parts, 3435 and 661, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3435661 in words is "three million, four hundred thirty-five thousand, six hundred sixty-one".