84022728 has 32 divisors (see below), whose sum is σ = 210300000. Its totient is φ = 27975168.

The previous prime is 84022727. The next prime is 84022747. The reversal of 84022728 is 82722048.

It is not an unprimeable number, because it can be changed into a prime (84022723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28575 + ... + 31377.

It is an arithmetic number, because the mean of its divisors is an integer number (6571875).

Almost surely, 2^84022728 is an apocalyptic number.

It is an amenable number.

84022728 is an abundant number, since it is smaller than the sum of its proper divisors (126277272).

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

84022728 is a wasteful number, since it uses less digits than its factorization.

84022728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061 (or 4057 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 84022728 is about 9166.3912201040. The cubic root of 84022728 is about 437.9914095186.

The spelling of 84022728 in words is "eighty-four million, twenty-two thousand, seven hundred twenty-eight".