3405442 has 4 divisors (see below), whose sum is σ = 5108166. Its totient is φ = 1702720.

The previous prime is 3405431. The next prime is 3405463. The reversal of 3405442 is 2445043.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 3316041 + 89401 = 1821^2 + 299^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851359 + ... + 851362.

Almost surely, 2^3405442 is an apocalyptic number.

3405442 is a deficient number, since it is larger than the sum of its proper divisors (1702724).

3405442 is a wasteful number, since it uses less digits than its factorization.

3405442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702723.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 3405442 is about 1845.3839708852. The cubic root of 3405442 is about 150.4496433846.

The spelling of 3405442 in words is "three million, four hundred five thousand, four hundred forty-two".