4489720 has 32 divisors (see below), whose sum is σ = 10206000. Its totient is φ = 1777408.

The previous prime is 4489703. The next prime is 4489721. The reversal of 4489720 is 279844.

It is a happy number.

It is a d-powerful number, because it can be written as 4⁷ + 4⁹ + 8⁷ + 9² + 7⁵ + 2²¹ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3756 + ... + 4804.

Almost surely, 2^4489720 is an apocalyptic number.

4489720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4489720 is an abundant number, since it is smaller than the sum of its proper divisors (5716280).

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

4489720 is a wasteful number, since it uses less digits than its factorization.

4489720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4489720 is about 2118.8959389267. The cubic root of 4489720 is about 164.9705487686.

The spelling of 4489720 in words is "four million, four hundred eighty-nine thousand, seven hundred twenty".