84388308 has 12 divisors (see below), whose sum is σ = 196906080. Its totient is φ = 28129432.

The previous prime is 84388307. The next prime is 84388331. The reversal of 84388308 is 80388348.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 84388308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84388307) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3516168 + ... + 3516191.

It is an arithmetic number, because the mean of its divisors is an integer number (16408840).

Almost surely, 2^84388308 is an apocalyptic number.

It is an amenable number.

84388308 is an abundant number, since it is smaller than the sum of its proper divisors (112517772).

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

84388308 is a wasteful number, since it uses less digits than its factorization.

84388308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032366 (or 7032364 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 84388308 is about 9186.3109026420. The cubic root of 84388308 is about 438.6257189734.

The spelling of 84388308 in words is "eighty-four million, three hundred eighty-eight thousand, three hundred eight".