4490290 has 32 divisors (see below), whose sum is σ = 9642240. Its totient is φ = 1472064.

The previous prime is 4490263. The next prime is 4490293. The reversal of 4490290 is 920944.

It is not an unprimeable number, because it can be changed into a prime (4490293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216 + ... + 3004.

It is an arithmetic number, because the mean of its divisors is an integer number (301320).

Almost surely, 2^4490290 is an apocalyptic number.

4490290 is an abundant number, since it is smaller than the sum of its proper divisors (5151950).

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

4490290 is a wasteful number, since it uses less digits than its factorization.

4490290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 4490290 is about 2119.0304386676. The cubic root of 4490290 is about 164.9775298449.

The spelling of 4490290 in words is "four million, four hundred ninety thousand, two hundred ninety".