4381552 has 80 divisors (see below), whose sum is σ = 10713600. Its totient is φ = 1693440.

The previous prime is 4381549. The next prime is 4381561. The reversal of 4381552 is 2551834.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 4381552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61677 + ... + 61747.

It is an arithmetic number, because the mean of its divisors is an integer number (133920).

Almost surely, 2^4381552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4381552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5356800).

4381552 is an abundant number, since it is smaller than the sum of its proper divisors (6332048).

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

4381552 is a wasteful number, since it uses less digits than its factorization.

4381552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 128 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 4381552 is about 2093.2157079479. The cubic root of 4381552 is about 163.6349206008.

The spelling of 4381552 in words is "four million, three hundred eighty-one thousand, five hundred fifty-two".