4490000 has 50 divisors (see below), whose sum is σ = 10894950. Its totient is φ = 1792000.

The previous prime is 4489999. The next prime is 4490029. The reversal of 4490000 is 944.

It can be written as a sum of positive squares in 5 ways, for example, as 1517824 + 2972176 = 1232^2 + 1724^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9776 + ... + 10224.

It is an arithmetic number, because the mean of its divisors is an integer number (217899).

Almost surely, 2^4490000 is an apocalyptic number.

4490000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4490000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5447475).

4490000 is an abundant number, since it is smaller than the sum of its proper divisors (6404950).

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

4490000 is an equidigital number, since it uses as much as digits as its factorization.

4490000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4490000 is about 2118.9620100417. The cubic root of 4490000 is about 164.9739781431.

Adding to 4490000 its reverse (944), we get a palindrome (4490944).

It can be divided in two parts, 4 and 490000, that multiplied together give a square (1960000 = 1400²).

The spelling of 4490000 in words is "four million, four hundred ninety thousand".