8128938 has 8 divisors (see below), whose sum is σ = 16257888. Its totient is φ = 2709644.

The previous prime is 8128931. The next prime is 8128949. The reversal of 8128938 is 8398218.

It is a sphenic number, since it is the product of 3 distinct primes.

8128938 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8128896 and 8128905.

It is not an unprimeable number, because it can be changed into a prime (8128931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677406 + ... + 677417.

It is an arithmetic number, because the mean of its divisors is an integer number (2032236).

Almost surely, 2^8128938 is an apocalyptic number.

8128938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8128938 is a wasteful number, since it uses less digits than its factorization.

8128938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354828.

The product of its digits is 27648, while the sum is 39.

The square root of 8128938 is about 2851.1292499640. The cubic root of 8128938 is about 201.0687619000.

The spelling of 8128938 in words is "eight million, one hundred twenty-eight thousand, nine hundred thirty-eight".