83406216 has 32 divisors (see below), whose sum is σ = 220782240. Its totient is φ = 26166528.

The previous prime is 83406203. The next prime is 83406217. The reversal of 83406216 is 61260438.

It is not an unprimeable number, because it can be changed into a prime (83406217) 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 7 ways as a sum of consecutive naturals, for example, 101806 + ... + 102621.

It is an arithmetic number, because the mean of its divisors is an integer number (6899445).

Almost surely, 2^83406216 is an apocalyptic number.

It is an amenable number.

83406216 is an abundant number, since it is smaller than the sum of its proper divisors (137376024).

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

83406216 is a wasteful number, since it uses less digits than its factorization.

83406216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204453 (or 204449 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 83406216 is about 9132.7003673612. The cubic root of 83406216 is about 436.9175330110.

The spelling of 83406216 in words is "eighty-three million, four hundred six thousand, two hundred sixteen".