128348404 has 24 divisors (see below), whose sum is σ = 232098048. Its totient is φ = 62069280.

The previous prime is 128348387. The next prime is 128348417. The reversal of 128348404 is 404843821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 128348404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10789 + ... + 19315.

It is an arithmetic number, because the mean of its divisors is an integer number (9670752).

Almost surely, 2^128348404 is an apocalyptic number.

It is an amenable number.

128348404 is a deficient number, since it is larger than the sum of its proper divisors (103749644).

128348404 is a wasteful number, since it uses less digits than its factorization.

128348404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8655 (or 8653 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 128348404 is about 11329.0954625689. The cubic root of 128348404 is about 504.4252573162.

The spelling of 128348404 in words is "one hundred twenty-eight million, three hundred forty-eight thousand, four hundred four".