4047966 has 24 divisors (see below), whose sum is σ = 9445800. Its totient is φ = 1245456.

The previous prime is 4047961. The next prime is 4047973. The reversal of 4047966 is 6697404.

It is a self number, because there is not a number n which added to its sum of digits gives 4047966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4047961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8416 + ... + 8883.

It is an arithmetic number, because the mean of its divisors is an integer number (393575).

Almost surely, 2^4047966 is an apocalyptic number.

4047966 is an abundant number, since it is smaller than the sum of its proper divisors (5397834).

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

4047966 is a wasteful number, since it uses less digits than its factorization.

4047966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17320 (or 17317 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 4047966 is about 2011.9557649213. The cubic root of 4047966 is about 159.3720963716.

The spelling of 4047966 in words is "four million, forty-seven thousand, nine hundred sixty-six".