3429205 has 8 divisors (see below), whose sum is σ = 4431672. Its totient is φ = 2532288.

The previous prime is 3429203. The next prime is 3429287. The reversal of 3429205 is 5029243.

It is a happy number.

3429205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 380689 + 3048516 = 617^2 + 1746^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3429205 - 2¹ = 3429203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3429205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3429203) 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 in 7 ways as a sum of consecutive naturals, for example, 26314 + ... + 26443.

It is an arithmetic number, because the mean of its divisors is an integer number (553959).

Almost surely, 2^3429205 is an apocalyptic number.

It is an amenable number.

3429205 is a deficient number, since it is larger than the sum of its proper divisors (1002467).

3429205 is a wasteful number, since it uses less digits than its factorization.

3429205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52775.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3429205 is about 1851.8112754814. The cubic root of 3429205 is about 150.7987758674.

The spelling of 3429205 in words is "three million, four hundred twenty-nine thousand, two hundred five".