84080028 has 24 divisors (see below), whose sum is σ = 207727632. Its totient is φ = 26377984.

The previous prime is 84079999. The next prime is 84080041. The reversal of 84080028 is 82008048.

It is a super-2 number, since 2×84080028² = 14138902216961568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84079977 and 84080004.

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 7 ways as a sum of consecutive naturals, for example, 205875 + ... + 206282.

It is an arithmetic number, because the mean of its divisors is an integer number (8655318).

Almost surely, 2^84080028 is an apocalyptic number.

It is an amenable number.

84080028 is an abundant number, since it is smaller than the sum of its proper divisors (123647604).

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

84080028 is a wasteful number, since it uses less digits than its factorization.

84080028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412181 (or 412179 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 84080028 is about 9169.5162358764. The cubic root of 84080028 is about 438.0909508590.

The spelling of 84080028 in words is "eighty-four million, eighty thousand, twenty-eight".