4489280 has 28 divisors (see below), whose sum is σ = 10690860. Its totient is φ = 1795584.

The previous prime is 4489279. The next prime is 4489291. The reversal of 4489280 is 829844.

It can be written as a sum of positive squares in 2 ways, for example, as 678976 + 3810304 = 824^2 + 1952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4489280.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6695 + ... + 7334.

Almost surely, 2^4489280 is an apocalyptic number.

4489280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4489280 is an abundant number, since it is smaller than the sum of its proper divisors (6201580).

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

4489280 is a wasteful number, since it uses less digits than its factorization.

4489280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14046 (or 14036 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 4489280 is about 2118.7921087261. The cubic root of 4489280 is about 164.9651594635.

The spelling of 4489280 in words is "four million, four hundred eighty-nine thousand, two hundred eighty".