4031872 has 32 divisors (see below), whose sum is σ = 8653680. Its totient is φ = 1860096.

The previous prime is 4031861. The next prime is 4031879. The reversal of 4031872 is 2781304.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453 + ... + 2875.

Almost surely, 2^4031872 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 4031872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4326840).

4031872 is an abundant number, since it is smaller than the sum of its proper divisors (4621808).

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

4031872 is a wasteful number, since it uses less digits than its factorization.

4031872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4031872 is about 2007.9521906659. The cubic root of 4031872 is about 159.1606040410.

The spelling of 4031872 in words is "four million, thirty-one thousand, eight hundred seventy-two".