84128196 has 24 divisors (see below), whose sum is σ = 196799904. Its totient is φ = 27971200.

The previous prime is 84128173. The next prime is 84128249. The reversal of 84128196 is 69182148.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3930 + ... + 13553.

It is an arithmetic number, because the mean of its divisors is an integer number (8199996).

Almost surely, 2^84128196 is an apocalyptic number.

It is an amenable number.

84128196 is an abundant number, since it is smaller than the sum of its proper divisors (112671708).

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

84128196 is a wasteful number, since it uses less digits than its factorization.

84128196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17891 (or 17889 counting only the distinct ones).

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

The square root of 84128196 is about 9172.1423887770. The cubic root of 84128196 is about 438.1745931422.

The spelling of 84128196 in words is "eighty-four million, one hundred twenty-eight thousand, one hundred ninety-six".