4489490 has 32 divisors (see below), whose sum is σ = 8495280. Its totient is φ = 1705984.

The previous prime is 4489483. The next prime is 4489493. The reversal of 4489490 is 949844.

It can be written as a sum of positive squares in 8 ways, for example, as 829921 + 3659569 = 911^2 + 1913^2 .

It is a d-powerful number, because it can be written as 4⁴ + 4⁹ + 8⁵ + 9 + 4¹¹ + 9 + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489493) 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, 32702 + ... + 32838.

Almost surely, 2^4489490 is an apocalyptic number.

4489490 is a deficient number, since it is larger than the sum of its proper divisors (4005790).

4489490 is a wasteful number, since it uses less digits than its factorization.

4489490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 4489490 is about 2118.8416646838. The cubic root of 4489490 is about 164.9677316758.

The spelling of 4489490 in words is "four million, four hundred eighty-nine thousand, four hundred ninety".