4045872 has 40 divisors (see below), whose sum is σ = 10792960. Its totient is φ = 1304640.

The previous prime is 4045849. The next prime is 4045883. The reversal of 4045872 is 2785404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129 + ... + 2847.

It is an arithmetic number, because the mean of its divisors is an integer number (269824).

Almost surely, 2^4045872 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 4045872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5396480).

4045872 is an abundant number, since it is smaller than the sum of its proper divisors (6747088).

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

4045872 is a wasteful number, since it uses less digits than its factorization.

4045872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 4045872 is about 2011.4353084303. The cubic root of 4045872 is about 159.3446107379.

The spelling of 4045872 in words is "four million, forty-five thousand, eight hundred seventy-two".