4163538 has 16 divisors (see below), whose sum is σ = 8817120. Its totient is φ = 1306176.

The previous prime is 4163503. The next prime is 4163539. The reversal of 4163538 is 8353614.

It is not an unprimeable number, because it can be changed into a prime (4163539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20308 + ... + 20511.

It is an arithmetic number, because the mean of its divisors is an integer number (551070).

Almost surely, 2^4163538 is an apocalyptic number.

4163538 is an abundant number, since it is smaller than the sum of its proper divisors (4653582).

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

4163538 is a wasteful number, since it uses less digits than its factorization.

4163538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40841.

The product of its digits is 8640, while the sum is 30.

The square root of 4163538 is about 2040.4749447126. The cubic root of 4163538 is about 160.8746114232.

The spelling of 4163538 in words is "four million, one hundred sixty-three thousand, five hundred thirty-eight".