4161872 has 80 divisors (see below), whose sum is σ = 10124352. Its totient is φ = 1628160.

The previous prime is 4161853. The next prime is 4161881. The reversal of 4161872 is 2781614.

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

4161872 is a modest number, since divided by 1872 gives 416 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38843 + ... + 38949.

Almost surely, 2^4161872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4161872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5062176).

4161872 is an abundant number, since it is smaller than the sum of its proper divisors (5962480).

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

4161872 is a wasteful number, since it uses less digits than its factorization.

4161872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 150 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 4161872 is about 2040.0666655774. The cubic root of 4161872 is about 160.8531510804.

The spelling of 4161872 in words is "four million, one hundred sixty-one thousand, eight hundred seventy-two".