128655846 has 24 divisors (see below), whose sum is σ = 304096104. Its totient is φ = 38986560.

The previous prime is 128655841. The next prime is 128655869. The reversal of 128655846 is 648556821.

128655846 is a `hidden beast` number, since 1 + 2 + 8 + 65 + 584 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128655841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324691 + ... + 325086.

It is an arithmetic number, because the mean of its divisors is an integer number (12670671).

Almost surely, 2^128655846 is an apocalyptic number.

128655846 is an abundant number, since it is smaller than the sum of its proper divisors (175440258).

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

128655846 is a wasteful number, since it uses less digits than its factorization.

128655846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649796 (or 649793 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 128655846 is about 11342.6560381597. The cubic root of 128655846 is about 504.8276979745.

The spelling of 128655846 in words is "one hundred twenty-eight million, six hundred fifty-five thousand, eight hundred forty-six".