4042356 has 12 divisors (see below), whose sum is σ = 9432192. Its totient is φ = 1347448.

The previous prime is 4042343. The next prime is 4042391. The reversal of 4042356 is 6532404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168420 + ... + 168443.

It is an arithmetic number, because the mean of its divisors is an integer number (786016).

Almost surely, 2^4042356 is an apocalyptic number.

It is an amenable number.

4042356 is an abundant number, since it is smaller than the sum of its proper divisors (5389836).

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

4042356 is a wasteful number, since it uses less digits than its factorization.

4042356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336870 (or 336868 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4042356 is about 2010.5611157087. The cubic root of 4042356 is about 159.2984387365.

The spelling of 4042356 in words is "four million, forty-two thousand, three hundred fifty-six".