4011656 has 16 divisors (see below), whose sum is σ = 8205840. Its totient is φ = 1823440.

The previous prime is 4011653. The next prime is 4011671. The reversal of 4011656 is 6561104.

4011656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4011653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22706 + ... + 22881.

It is an arithmetic number, because the mean of its divisors is an integer number (512865).

Almost surely, 2^4011656 is an apocalyptic number.

It is an amenable number.

4011656 is an abundant number, since it is smaller than the sum of its proper divisors (4194184).

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

4011656 is a wasteful number, since it uses less digits than its factorization.

4011656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45604 (or 45600 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4011656 is about 2002.9118802384. The cubic root of 4011656 is about 158.8941452249.

The spelling of 4011656 in words is "four million, eleven thousand, six hundred fifty-six".