4490478 has 40 divisors (see below), whose sum is σ = 10271448. Its totient is φ = 1465776.

The previous prime is 4490477. The next prime is 4490503. The reversal of 4490478 is 8740944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4490471) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8325 + ... + 8847.

Almost surely, 2^4490478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4490478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5135724).

4490478 is an abundant number, since it is smaller than the sum of its proper divisors (5780970).

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

4490478 is a wasteful number, since it uses less digits than its factorization.

4490478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 581 counting only the distinct ones).

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

The square root of 4490478 is about 2119.0747981136. The cubic root of 4490478 is about 164.9798322458.

The spelling of 4490478 in words is "four million, four hundred ninety thousand, four hundred seventy-eight".