83814018 has 32 divisors (see below), whose sum is σ = 173560320. Its totient is φ = 26954880.

The previous prime is 83814007. The next prime is 83814037. The reversal of 83814018 is 81041838.

It is a happy number.

It is a super-2 number, since 2×83814018² = 14049579226608648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83814018.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103198 + ... + 104006.

It is an arithmetic number, because the mean of its divisors is an integer number (5423760).

Almost surely, 2^83814018 is an apocalyptic number.

83814018 is an abundant number, since it is smaller than the sum of its proper divisors (89746302).

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

83814018 is a wasteful number, since it uses less digits than its factorization.

83814018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 83814018 is about 9154.9996176952. Note that the first 3 decimals coincide. The cubic root of 83814018 is about 437.6284562117.

The spelling of 83814018 in words is "eighty-three million, eight hundred fourteen thousand, eighteen".