128244384 has 60 divisors (see below), whose sum is σ = 377170794. Its totient is φ = 42747264.

The previous prime is 128244383. The next prime is 128244419. The reversal of 128244384 is 483442821.

It can be written as a sum of positive squares in only one way, i.e., 120560400 + 7683984 = 10980^2 + 2772^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (128244383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22147 + ... + 27330.

Almost surely, 2^128244384 is an apocalyptic number.

It is an amenable number.

128244384 is an abundant number, since it is smaller than the sum of its proper divisors (248926410).

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

128244384 is an equidigital number, since it uses as much as digits as its factorization.

128244384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49499 (or 49482 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 128244384 is about 11324.5036977344. The cubic root of 128244384 is about 504.2889499557.

The spelling of 128244384 in words is "one hundred twenty-eight million, two hundred forty-four thousand, three hundred eighty-four".