4081872 has 40 divisors (see below), whose sum is σ = 10617376. Its totient is φ = 1351296.

The previous prime is 4081871. The next prime is 4081897. The reversal of 4081872 is 2781804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081871) 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, 13143 + ... + 13449.

Almost surely, 2^4081872 is an apocalyptic number.

It is an amenable number.

4081872 is an abundant number, since it is smaller than the sum of its proper divisors (6535504).

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

4081872 is a wasteful number, since it uses less digits than its factorization.

4081872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 4081872 is about 2020.3643235813. The cubic root of 4081872 is about 159.8158297563.

The spelling of 4081872 in words is "four million, eighty-one thousand, eight hundred seventy-two".