4042855 has 8 divisors (see below), whose sum is σ = 5136912. Its totient is φ = 3043968.

The previous prime is 4042849. The next prime is 4042859. The reversal of 4042855 is 5582404.

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 4042855 - 2⁵ = 4042823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23697 + ... + 23866.

It is an arithmetic number, because the mean of its divisors is an integer number (642114).

Almost surely, 2^4042855 is an apocalyptic number.

4042855 is a deficient number, since it is larger than the sum of its proper divisors (1094057).

4042855 is a wasteful number, since it uses less digits than its factorization.

4042855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47585.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4042855 is about 2010.6852065900. The cubic root of 4042855 is about 159.3049932186.

The spelling of 4042855 in words is "four million, forty-two thousand, eight hundred fifty-five".