128884608 has 160 divisors (see below), whose sum is σ = 396918720. Its totient is φ = 41472000.

The previous prime is 128884601. The next prime is 128884681. The reversal of 128884608 is 806488821.

It is a happy number.

It is a super-2 number, since 2×128884608² = 33222484358627328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128884601) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 321208 + ... + 321608.

It is an arithmetic number, because the mean of its divisors is an integer number (2480742).

Almost surely, 2^128884608 is an apocalyptic number.

128884608 is a gapful number since it is divisible by the number (18) 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 128884608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198459360).

128884608 is an abundant number, since it is smaller than the sum of its proper divisors (268034112).

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

128884608 is an equidigital number, since it uses as much as digits as its factorization.

128884608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The square root of 128884608 is about 11352.7357055469. The cubic root of 128884608 is about 505.1267309296.

It can be divided in two parts, 128 and 884608, that added together give a cube (884736 = 96³).

The spelling of 128884608 in words is "one hundred twenty-eight million, eight hundred eighty-four thousand, six hundred eight".