83218698 has 32 divisors (see below), whose sum is σ = 189933120. Its totient is φ = 26989200.

The previous prime is 83218693. The next prime is 83218699. The reversal of 83218698 is 89681238.

It is not an unprimeable number, because it can be changed into a prime (83218693) 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 15 ways as a sum of consecutive naturals, for example, 18828 + ... + 22823.

It is an arithmetic number, because the mean of its divisors is an integer number (5935410).

Almost surely, 2^83218698 is an apocalyptic number.

83218698 is an abundant number, since it is smaller than the sum of its proper divisors (106714422).

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

83218698 is a wasteful number, since it uses less digits than its factorization.

83218698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41699 (or 41693 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 83218698 is about 9122.4282951416. The cubic root of 83218698 is about 436.5898540828.

The spelling of 83218698 in words is "eighty-three million, two hundred eighteen thousand, six hundred ninety-eight".