84374228 has 24 divisors (see below), whose sum is σ = 152484864. Its totient is φ = 40824000.

The previous prime is 84374207. The next prime is 84374243. The reversal of 84374228 is 82247348.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84374191 and 84374200.

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, 18803 + ... + 22853.

It is an arithmetic number, because the mean of its divisors is an integer number (6353536).

Almost surely, 2^84374228 is an apocalyptic number.

It is an amenable number.

84374228 is a deficient number, since it is larger than the sum of its proper divisors (68110636).

84374228 is a wasteful number, since it uses less digits than its factorization.

84374228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223 (or 4221 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 84374228 is about 9185.5445129834. The cubic root of 84374228 is about 438.6013230439.

The spelling of 84374228 in words is "eighty-four million, three hundred seventy-four thousand, two hundred twenty-eight".