4143894 has 16 divisors (see below), whose sum is σ = 8555520. Its totient is φ = 1336680.

The previous prime is 4143877. The next prime is 4143901. The reversal of 4143894 is 4983414.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10954 + ... + 11325.

It is an arithmetic number, because the mean of its divisors is an integer number (534720).

Almost surely, 2^4143894 is an apocalyptic number.

4143894 is an abundant number, since it is smaller than the sum of its proper divisors (4411626).

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

4143894 is a wasteful number, since it uses less digits than its factorization.

4143894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22315.

The product of its digits is 13824, while the sum is 33.

The square root of 4143894 is about 2035.6556683290. The cubic root of 4143894 is about 160.6212048239.

The spelling of 4143894 in words is "four million, one hundred forty-three thousand, eight hundred ninety-four".