128416484 has 12 divisors (see below), whose sum is σ = 256833024. Its totient is φ = 55035624.

The previous prime is 128416481. The next prime is 128416489. The reversal of 128416484 is 484614821.

128416484 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (128416481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293124 + ... + 2293179.

It is an arithmetic number, because the mean of its divisors is an integer number (21402752).

Almost surely, 2^128416484 is an apocalyptic number.

128416484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128416484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128416484 is a wasteful number, since it uses less digits than its factorization.

128416484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586314 (or 4586312 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 128416484 is about 11332.0997171751. The cubic root of 128416484 is about 504.5144291857.

The spelling of 128416484 in words is "one hundred twenty-eight million, four hundred sixteen thousand, four hundred eighty-four".