4889472 has 128 divisors (see below), whose sum is σ = 15863040. Its totient is φ = 1302528.

The previous prime is 4889471. The next prime is 4889477. The reversal of 4889472 is 2749884.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 4⁷ + 8⁴ + 8⁴ + 9⁷ + 4⁷ + 7 + 2¹⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4889471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45643 + ... + 45749.

It is an arithmetic number, because the mean of its divisors is an integer number (123930).

Almost surely, 2^4889472 is an apocalyptic number.

4889472 is a gapful number since it is divisible by the number (42) 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 4889472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7931520).

4889472 is an abundant number, since it is smaller than the sum of its proper divisors (10973568).

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

4889472 is a wasteful number, since it uses less digits than its factorization.

4889472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 136 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 4889472 is about 2211.2150506000. The cubic root of 4889472 is about 169.7281931003.

The spelling of 4889472 in words is "four million, eight hundred eighty-nine thousand, four hundred seventy-two".