84308388 has 24 divisors (see below), whose sum is σ = 196882560. Its totient is φ = 28079520.

The previous prime is 84308387. The next prime is 84308401. The reversal of 84308388 is 88380348.

It is not an unprimeable number, because it can be changed into a prime (84308387) by changing a digit.

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, 18453 + ... + 22563.

It is an arithmetic number, because the mean of its divisors is an integer number (8203440).

Almost surely, 2^84308388 is an apocalyptic number.

It is an amenable number.

84308388 is an abundant number, since it is smaller than the sum of its proper divisors (112574172).

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

84308388 is a wasteful number, since it uses less digits than its factorization.

84308388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827 (or 5825 counting only the distinct ones).

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

The square root of 84308388 is about 9181.9599214982. The cubic root of 84308388 is about 438.4872083179.

The spelling of 84308388 in words is "eighty-four million, three hundred eight thousand, three hundred eighty-eight".