4489578 has 12 divisors (see below), whose sum is σ = 9727458. Its totient is φ = 1496520.

The previous prime is 4489571. The next prime is 4489579. The reversal of 4489578 is 8759844.

It can be written as a sum of positive squares in only one way, i.e., 3250809 + 1238769 = 1803^2 + 1113^2 .

It is not an unprimeable number, because it can be changed into a prime (4489571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124693 + ... + 124728.

Almost surely, 2^4489578 is an apocalyptic number.

4489578 is an abundant number, since it is smaller than the sum of its proper divisors (5237880).

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

4489578 is a wasteful number, since it uses less digits than its factorization.

4489578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249429 (or 249426 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 4489578 is about 2118.8624306453. The cubic root of 4489578 is about 164.9688095313.

The spelling of 4489578 in words is "four million, four hundred eighty-nine thousand, five hundred seventy-eight".