128849088 has 112 divisors (see below), whose sum is σ = 358627680. Its totient is φ = 40771584.

The previous prime is 128849087. The next prime is 128849099. The reversal of 128849088 is 880948821.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (128849087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406306 + ... + 406622.

Almost surely, 2^128849088 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 128849088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179313840).

128849088 is an abundant number, since it is smaller than the sum of its proper divisors (229778592).

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

128849088 is a wasteful number, since it uses less digits than its factorization.

128849088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 48.

The square root of 128849088 is about 11351.1712171035. The cubic root of 128849088 is about 505.0803231382.

The spelling of 128849088 in words is "one hundred twenty-eight million, eight hundred forty-nine thousand, eighty-eight".