128946588 has 48 divisors (see below), whose sum is σ = 305182080. Its totient is φ = 42372544.

The previous prime is 128946569. The next prime is 128946589. The reversal of 128946588 is 885649821.

It is a self number, because there is not a number n which added to its sum of digits gives 128946588.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128946589) 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, 371431 + ... + 371777.

It is an arithmetic number, because the mean of its divisors is an integer number (6357960).

Almost surely, 2^128946588 is an apocalyptic number.

It is an amenable number.

128946588 is an abundant number, since it is smaller than the sum of its proper divisors (176235492).

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

128946588 is a wasteful number, since it uses less digits than its factorization.

128946588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 704 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The square root of 128946588 is about 11355.4651159695. The cubic root of 128946588 is about 505.2076889742.

The spelling of 128946588 in words is "one hundred twenty-eight million, nine hundred forty-six thousand, five hundred eighty-eight".