4143966 has 8 divisors (see below), whose sum is σ = 8287944. Its totient is φ = 1381320.

The previous prime is 4143961. The next prime is 4143967. The reversal of 4143966 is 6693414.

It is a sphenic number, since it is the product of 3 distinct primes.

4143966 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345325 + ... + 345336.

It is an arithmetic number, because the mean of its divisors is an integer number (1035993).

Almost surely, 2^4143966 is an apocalyptic number.

4143966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4143966 is a wasteful number, since it uses less digits than its factorization.

4143966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690666.

The product of its digits is 15552, while the sum is 33.

The square root of 4143966 is about 2035.6733529719. The cubic root of 4143966 is about 160.6221350809.

The spelling of 4143966 in words is "four million, one hundred forty-three thousand, nine hundred sixty-six".