82435218 has 16 divisors (see below), whose sum is σ = 165735936. Its totient is φ = 27334160.

The previous prime is 82435211. The next prime is 82435237. The reversal of 82435218 is 81253428.

It is not an unprimeable number, because it can be changed into a prime (82435211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34821 + ... + 37112.

It is an arithmetic number, because the mean of its divisors is an integer number (10358496).

Almost surely, 2^82435218 is an apocalyptic number.

82435218 is an abundant number, since it is smaller than the sum of its proper divisors (83300718).

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

82435218 is a wasteful number, since it uses less digits than its factorization.

82435218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72129.

The product of its digits is 15360, while the sum is 33.

The square root of 82435218 is about 9079.3842302218. The cubic root of 82435218 is about 435.2154092333.

The spelling of 82435218 in words is "eighty-two million, four hundred thirty-five thousand, two hundred eighteen".