4042556 has 24 divisors (see below), whose sum is σ = 8127840. Its totient is φ = 1723392.

The previous prime is 4042547. The next prime is 4042561. The reversal of 4042556 is 6552404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9680 + ... + 10088.

It is an arithmetic number, because the mean of its divisors is an integer number (338660).

Almost surely, 2^4042556 is an apocalyptic number.

It is an amenable number.

4042556 is an abundant number, since it is smaller than the sum of its proper divisors (4085284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4042556 is a wasteful number, since it uses less digits than its factorization.

4042556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4042556 is about 2010.6108524526. The cubic root of 4042556 is about 159.3010658482.

The spelling of 4042556 in words is "four million, forty-two thousand, five hundred fifty-six".