82365918 has 16 divisors (see below), whose sum is σ = 174422160. Its totient is φ = 25840256.

The previous prime is 82365911. The next prime is 82365919. The reversal of 82365918 is 81956328.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 82365918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82365911) 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, 403653 + ... + 403856.

It is an arithmetic number, because the mean of its divisors is an integer number (10901385).

Almost surely, 2^82365918 is an apocalyptic number.

82365918 is an abundant number, since it is smaller than the sum of its proper divisors (92056242).

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

82365918 is a wasteful number, since it uses less digits than its factorization.

82365918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807531.

The product of its digits is 103680, while the sum is 42.

The square root of 82365918 is about 9075.5670897195. The cubic root of 82365918 is about 435.0934189639.

The spelling of 82365918 in words is "eighty-two million, three hundred sixty-five thousand, nine hundred eighteen".