84028856 has 16 divisors (see below), whose sum is σ = 160907040. Its totient is φ = 41120320.

The previous prime is 84028843. The next prime is 84028871. The reversal of 84028856 is 65882048.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 111365 + ... + 112116.

It is an arithmetic number, because the mean of its divisors is an integer number (10056690).

Almost surely, 2^84028856 is an apocalyptic number.

It is an amenable number.

84028856 is a deficient number, since it is larger than the sum of its proper divisors (76878184).

84028856 is a wasteful number, since it uses less digits than its factorization.

84028856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223534 (or 223530 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 84028856 is about 9166.7254785992. The cubic root of 84028856 is about 438.0020572174.

The spelling of 84028856 in words is "eighty-four million, twenty-eight thousand, eight hundred fifty-six".