4205842 has 16 divisors (see below), whose sum is σ = 6521472. Its totient is φ = 2033200.

The previous prime is 4205837. The next prime is 4205857. The reversal of 4205842 is 2485024.

It is a happy number.

4205842 is nontrivially palindromic in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9273 + ... + 9715.

It is an arithmetic number, because the mean of its divisors is an integer number (407592).

Almost surely, 2^4205842 is an apocalyptic number.

4205842 is a deficient number, since it is larger than the sum of its proper divisors (2315630).

4205842 is a wasteful number, since it uses less digits than its factorization.

4205842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4205842 is about 2050.8149599610. The cubic root of 4205842 is about 161.4176366922.

The spelling of 4205842 in words is "four million, two hundred five thousand, eight hundred forty-two".