84028158 has 32 divisors (see below), whose sum is σ = 187729920. Its totient is φ = 27859320.

The previous prime is 84028129. The next prime is 84028159. The reversal of 84028158 is 85182048.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84028159) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6241 + ... + 14387.

It is an arithmetic number, because the mean of its divisors is an integer number (5866560).

Almost surely, 2^84028158 is an apocalyptic number.

84028158 is an abundant number, since it is smaller than the sum of its proper divisors (103701762).

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

84028158 is a wasteful number, since it uses less digits than its factorization.

84028158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8349 (or 8343 counting only the distinct ones).

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

The square root of 84028158 is about 9166.6874060371. The cubic root of 84028158 is about 438.0008444345. Note that the first 3 decimals are identical.

The spelling of 84028158 in words is "eighty-four million, twenty-eight thousand, one hundred fifty-eight".