83218484 has 12 divisors (see below), whose sum is σ = 145740000. Its totient is φ = 41578488.

The previous prime is 83218483. The next prime is 83218507. The reversal of 83218484 is 48481238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83218481) 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, 944 + ... + 12935.

It is an arithmetic number, because the mean of its divisors is an integer number (12145000).

Almost surely, 2^83218484 is an apocalyptic number.

It is an amenable number.

83218484 is a deficient number, since it is larger than the sum of its proper divisors (62521516).

83218484 is a wasteful number, since it uses less digits than its factorization.

83218484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15382 (or 15380 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 83218484 is about 9122.4165658010. The cubic root of 83218484 is about 436.5894798467.

The spelling of 83218484 in words is "eighty-three million, two hundred eighteen thousand, four hundred eighty-four".