128606296 has 96 divisors (see below), whose sum is σ = 303575040. Its totient is φ = 50004864.

The previous prime is 128606293. The next prime is 128606323. The reversal of 128606296 is 692606821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128606293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1012585 + ... + 1012711.

It is an arithmetic number, because the mean of its divisors is an integer number (3162240).

Almost surely, 2^128606296 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 128606296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151787520).

128606296 is an abundant number, since it is smaller than the sum of its proper divisors (174968744).

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

128606296 is a wasteful number, since it uses less digits than its factorization.

128606296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 128606296 is about 11340.4715951322. The cubic root of 128606296 is about 504.7628805431.

The spelling of 128606296 in words is "one hundred twenty-eight million, six hundred six thousand, two hundred ninety-six".