4143438 has 24 divisors (see below), whose sum is σ = 9668568. Its totient is φ = 1274832.

The previous prime is 4143421. The next prime is 4143449. The reversal of 4143438 is 8343414.

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 11 ways as a sum of consecutive naturals, for example, 8620 + ... + 9087.

It is an arithmetic number, because the mean of its divisors is an integer number (402857).

Almost surely, 2^4143438 is an apocalyptic number.

4143438 is an abundant number, since it is smaller than the sum of its proper divisors (5525130).

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

4143438 is a wasteful number, since it uses less digits than its factorization.

4143438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17728 (or 17725 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 4143438 is about 2035.5436620225. The cubic root of 4143438 is about 160.6153129457.

The spelling of 4143438 in words is "four million, one hundred forty-three thousand, four hundred thirty-eight".