4478500 has 72 divisors (see below), whose sum is σ = 10791144. Its totient is φ = 1622400.

The previous prime is 4478423. The next prime is 4478527. The reversal of 4478500 is 58744.

It can be written as a sum of positive squares in 12 ways, for example, as 4096576 + 381924 = 2024^2 + 618^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84474 + ... + 84526.

It is an arithmetic number, because the mean of its divisors is an integer number (149877).

Almost surely, 2^4478500 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 4478500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5395572).

4478500 is an abundant number, since it is smaller than the sum of its proper divisors (6312644).

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

4478500 is a wasteful number, since it uses less digits than its factorization.

4478500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 4478500 is about 2116.2466774930. The cubic root of 4478500 is about 164.8330113435.

The spelling of 4478500 in words is "four million, four hundred seventy-eight thousand, five hundred".