82018236 has 12 divisors (see below), whose sum is σ = 191375912. Its totient is φ = 27339408.

The previous prime is 82018199. The next prime is 82018259. The reversal of 82018236 is 63281028.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3417415 + ... + 3417438.

Almost surely, 2^82018236 is an apocalyptic number.

It is an amenable number.

82018236 is an abundant number, since it is smaller than the sum of its proper divisors (109357676).

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

82018236 is a wasteful number, since it uses less digits than its factorization.

82018236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834860 (or 6834858 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 82018236 is about 9056.3919968164. The cubic root of 82018236 is about 434.4803518663.

The spelling of 82018236 in words is "eighty-two million, eighteen thousand, two hundred thirty-six".