4381984 has 24 divisors (see below), whose sum is σ = 8862588. Its totient is φ = 2131200.

The previous prime is 4381973. The next prime is 4381997. The reversal of 4381984 is 4891834.

It can be written as a sum of positive squares in 2 ways, for example, as 4243600 + 138384 = 2060^2 + 372^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 667 + ... + 3034.

Almost surely, 2^4381984 is an apocalyptic number.

It is an amenable number.

4381984 is an abundant number, since it is smaller than the sum of its proper divisors (4480604).

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

4381984 is a wasteful number, since it uses less digits than its factorization.

4381984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748 (or 3740 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 4381984 is about 2093.3188959162. The cubic root of 4381984 is about 163.6402982967.

The spelling of 4381984 in words is "four million, three hundred eighty-one thousand, nine hundred eighty-four".