84223008 has 36 divisors (see below), whose sum is σ = 239509998. Its totient is φ = 28074240.

The previous prime is 84222977. The next prime is 84223021. The reversal of 84223008 is 80032248.

It can be written as a sum of positive squares in only one way, i.e., 46621584 + 37601424 = 6828^2 + 6132^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145933 + ... + 146508.

Almost surely, 2^84223008 is an apocalyptic number.

It is an amenable number.

84223008 is an abundant number, since it is smaller than the sum of its proper divisors (155286990).

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

84223008 is a wasteful number, since it uses less digits than its factorization.

84223008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292457 (or 292446 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 84223008 is about 9177.3094096255. The cubic root of 84223008 is about 438.3391381048.

The spelling of 84223008 in words is "eighty-four million, two hundred twenty-three thousand, eight".