84228396 has 24 divisors (see below), whose sum is σ = 224609280. Its totient is φ = 24065232.

The previous prime is 84228379. The next prime is 84228407. The reversal of 84228396 is 69382248.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501276 + ... + 501443.

It is an arithmetic number, because the mean of its divisors is an integer number (9358720).

Almost surely, 2^84228396 is an apocalyptic number.

It is an amenable number.

84228396 is an abundant number, since it is smaller than the sum of its proper divisors (140380884).

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

84228396 is a wasteful number, since it uses less digits than its factorization.

84228396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002733 (or 1002731 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 84228396 is about 9177.6029550204. The cubic root of 84228396 is about 438.3484851980.

The spelling of 84228396 in words is "eighty-four million, two hundred twenty-eight thousand, three hundred ninety-six".