4487928 has 32 divisors (see below), whose sum is σ = 11391360. Its totient is φ = 1473120.

The previous prime is 4487891. The next prime is 4487939. The reversal of 4487928 is 8297844.

4487928 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 4⁷ + 4⁹ + 8⁴ + 7³ + 9⁴ + 2²² + 8⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 4487928.

It is a congruent number.

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, 213 + ... + 3003.

It is an arithmetic number, because the mean of its divisors is an integer number (355980).

Almost surely, 2^4487928 is an apocalyptic number.

It is an amenable number.

4487928 is an abundant number, since it is smaller than the sum of its proper divisors (6903432).

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

4487928 is a wasteful number, since it uses less digits than its factorization.

4487928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867 (or 2863 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 4487928 is about 2118.4730349948. The cubic root of 4487928 is about 164.9485973950.

The spelling of 4487928 in words is "four million, four hundred eighty-seven thousand, nine hundred twenty-eight".