4490784 has 72 divisors (see below), whose sum is σ = 13208832. Its totient is φ = 1445760.

The previous prime is 4490779. The next prime is 4490831. The reversal of 4490784 is 4870944.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8677 + ... + 9179.

It is an arithmetic number, because the mean of its divisors is an integer number (183456).

Almost surely, 2^4490784 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 4490784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6604416).

4490784 is an abundant number, since it is smaller than the sum of its proper divisors (8718048).

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

4490784 is a wasteful number, since it uses less digits than its factorization.

4490784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 4490784 is about 2119.1469982047. The cubic root of 4490784 is about 164.9835796332.

The spelling of 4490784 in words is "four million, four hundred ninety thousand, seven hundred eighty-four".