4489968 has 120 divisors (see below), whose sum is σ = 14249088. Its totient is φ = 1212288.

The previous prime is 4489967. The next prime is 4489973. The reversal of 4489968 is 8699844.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a d-powerful number, because it can be written as 4⁹ + 4¹¹ + 8 + 9 + 9³ + 6 + 8⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54055 + ... + 54137.

Almost surely, 2^4489968 is an apocalyptic number.

4489968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4489968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7124544).

4489968 is an abundant number, since it is smaller than the sum of its proper divisors (9759120).

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

4489968 is a wasteful number, since it uses less digits than its factorization.

4489968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 118 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 4489968 is about 2118.9544591614. The cubic root of 4489968 is about 164.9735862218.

The spelling of 4489968 in words is "four million, four hundred eighty-nine thousand, nine hundred sixty-eight".