4163842 has 4 divisors (see below), whose sum is σ = 6245766. Its totient is φ = 2081920.

The previous prime is 4163833. The next prime is 4163843. The reversal of 4163842 is 2483614.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3538161 + 625681 = 1881^2 + 791^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4163842.

It is not an unprimeable number, because it can be changed into a prime (4163843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040959 + ... + 1040962.

Almost surely, 2^4163842 is an apocalyptic number.

4163842 is a deficient number, since it is larger than the sum of its proper divisors (2081924).

4163842 is a wasteful number, since it uses less digits than its factorization.

4163842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081923.

The product of its digits is 4608, while the sum is 28.

The square root of 4163842 is about 2040.5494358138. The cubic root of 4163842 is about 160.8785267385.

It can be divided in two parts, 4163 and 842, that added together give a palindrome (5005).

The spelling of 4163842 in words is "four million, one hundred sixty-three thousand, eight hundred forty-two".