3405049 has 4 divisors (see below), whose sum is σ = 3605364. Its totient is φ = 3204736.

The previous prime is 3405037. The next prime is 3405079. The reversal of 3405049 is 9405043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2699449 + 705600 = 1643^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 3405049 - 2⁹ = 3404537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100132 + ... + 100165.

It is an arithmetic number, because the mean of its divisors is an integer number (901341).

Almost surely, 2^3405049 is an apocalyptic number.

It is an amenable number.

3405049 is a deficient number, since it is larger than the sum of its proper divisors (200315).

3405049 is a wasteful number, since it uses less digits than its factorization.

3405049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200314.

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

The square root of 3405049 is about 1845.2774859083. The cubic root of 3405049 is about 150.4438556891.

The spelling of 3405049 in words is "three million, four hundred five thousand, forty-nine".