128698096 has 40 divisors (see below), whose sum is σ = 263475200. Its totient is φ = 60730560.

The previous prime is 128698091. The next prime is 128698123. The reversal of 128698096 is 690896821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128698091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99985 + ... + 101263.

It is an arithmetic number, because the mean of its divisors is an integer number (6586880).

Almost surely, 2^128698096 is an apocalyptic number.

128698096 is a gapful number since it is divisible by the number (16) 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 128698096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131737600).

128698096 is an abundant number, since it is smaller than the sum of its proper divisors (134777104).

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

128698096 is a wasteful number, since it uses less digits than its factorization.

128698096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 128698096 is about 11344.5183238426. The cubic root of 128698096 is about 504.8829529734.

The spelling of 128698096 in words is "one hundred twenty-eight million, six hundred ninety-eight thousand, ninety-six".