4143684 has 12 divisors (see below), whose sum is σ = 9668624. Its totient is φ = 1381224.

The previous prime is 4143683. The next prime is 4143697. The reversal of 4143684 is 4863414.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4143683) 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, 172642 + ... + 172665.

Almost surely, 2^4143684 is an apocalyptic number.

It is an amenable number.

4143684 is an abundant number, since it is smaller than the sum of its proper divisors (5524940).

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

4143684 is a wasteful number, since it uses less digits than its factorization.

4143684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345314 (or 345312 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 4143684 is about 2035.6040872429. The cubic root of 4143684 is about 160.6184915126.

The spelling of 4143684 in words is "four million, one hundred forty-three thousand, six hundred eighty-four".