4490628 has 12 divisors (see below), whose sum is σ = 10478160. Its totient is φ = 1496872.

The previous prime is 4490623. The next prime is 4490639. The reversal of 4490628 is 8260944.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4490623) 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 3 ways as a sum of consecutive naturals, for example, 187098 + ... + 187121.

It is an arithmetic number, because the mean of its divisors is an integer number (873180).

Almost surely, 2^4490628 is an apocalyptic number.

It is an amenable number.

4490628 is an abundant number, since it is smaller than the sum of its proper divisors (5987532).

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

4490628 is a wasteful number, since it uses less digits than its factorization.

4490628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374226 (or 374224 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 4490628 is about 2119.1101906225. The cubic root of 4490628 is about 164.9816692216.

The spelling of 4490628 in words is "four million, four hundred ninety thousand, six hundred twenty-eight".