128093898 has 32 divisors (see below), whose sum is σ = 262310400. Its totient is φ = 41685696.

The previous prime is 128093879. The next prime is 128093939. The reversal of 128093898 is 898390821.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71943 + ... + 73701.

It is an arithmetic number, because the mean of its divisors is an integer number (8197200).

Almost surely, 2^128093898 is an apocalyptic number.

128093898 is an abundant number, since it is smaller than the sum of its proper divisors (134216502).

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

128093898 is a wasteful number, since it uses less digits than its factorization.

128093898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 128093898 is about 11317.8574827571. The cubic root of 128093898 is about 504.0916232393.

The spelling of 128093898 in words is "one hundred twenty-eight million, ninety-three thousand, eight hundred ninety-eight".