4490724 has 48 divisors (see below), whose sum is σ = 12080768. Its totient is φ = 1271808.

The previous prime is 4490701. The next prime is 4490729. The reversal of 4490724 is 4270944.

4490724 = 46² + 47² + ... + 238².

It is a junction number, because it is equal to n+sod(n) for n = 4490691 and 4490700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4490729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16074 + ... + 16350.

Almost surely, 2^4490724 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 4490724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6040384).

4490724 is an abundant number, since it is smaller than the sum of its proper divisors (7590044).

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

4490724 is a wasteful number, since it uses less digits than its factorization.

4490724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4490724 is about 2119.1328415180. The cubic root of 4490724 is about 164.9828448647.

The spelling of 4490724 in words is "four million, four hundred ninety thousand, seven hundred twenty-four".