4155966 has 24 divisors (see below), whose sum is σ = 9043320. Its totient is φ = 1379376.

The previous prime is 4155929. The next prime is 4155989. The reversal of 4155966 is 6695514.

4155966 is a `hidden beast` number, since 41 + 559 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4155966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6405 + ... + 7023.

It is an arithmetic number, because the mean of its divisors is an integer number (376805).

Almost surely, 2^4155966 is an apocalyptic number.

4155966 is an abundant number, since it is smaller than the sum of its proper divisors (4887354).

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

4155966 is a wasteful number, since it uses less digits than its factorization.

4155966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 997 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 4155966 is about 2038.6186499686. The cubic root of 4155966 is about 160.7770276086. Note that the first 3 decimals are identical.

The spelling of 4155966 in words is "four million, one hundred fifty-five thousand, nine hundred sixty-six".