8128485 has 32 divisors (see below), whose sum is σ = 15216000. Its totient is φ = 4105728.

The previous prime is 8128441. The next prime is 8128501. The reversal of 8128485 is 5848218.

It is not a de Polignac number, because 8128485 - 2⁷ = 8128357 is a prime.

8128485 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 981 + ... + 4149.

It is an arithmetic number, because the mean of its divisors is an integer number (475500).

Almost surely, 2^8128485 is an apocalyptic number.

It is an amenable number.

8128485 is a deficient number, since it is larger than the sum of its proper divisors (7087515).

8128485 is a wasteful number, since it uses less digits than its factorization.

8128485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202 (or 3196 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 8128485 is about 2851.0498066502. The cubic root of 8128485 is about 201.0650268553.

The spelling of 8128485 in words is "eight million, one hundred twenty-eight thousand, four hundred eighty-five".