4023556 has 12 divisors (see below), whose sum is σ = 7055440. Its totient is φ = 2007720.

The previous prime is 4023533. The next prime is 4023563. The reversal of 4023556 is 6553204.

It is a self number, because there is not a number n which added to its sum of digits gives 4023556.

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, 2851 + ... + 4021.

Almost surely, 2^4023556 is an apocalyptic number.

It is an amenable number.

4023556 is a deficient number, since it is larger than the sum of its proper divisors (3031884).

4023556 is a wasteful number, since it uses less digits than its factorization.

4023556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 4023556 is about 2005.8803553552. The cubic root of 4023556 is about 159.0511023325.

The spelling of 4023556 in words is "four million, twenty-three thousand, five hundred fifty-six".