83843538 has 16 divisors (see below), whose sum is σ = 168358176. Its totient is φ = 27836000.

The previous prime is 83843531. The next prime is 83843581. The reversal of 83843538 is 83534838.

It is a self number, because there is not a number n which added to its sum of digits gives 83843538.

It is not an unprimeable number, because it can be changed into a prime (83843531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26331 + ... + 29342.

It is an arithmetic number, because the mean of its divisors is an integer number (10522386).

Almost surely, 2^83843538 is an apocalyptic number.

83843538 is an abundant number, since it is smaller than the sum of its proper divisors (84514638).

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

83843538 is a wasteful number, since it uses less digits than its factorization.

83843538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55929.

The product of its digits is 276480, while the sum is 42.

The square root of 83843538 is about 9156.6117095790. The cubic root of 83843538 is about 437.6798289849.

The spelling of 83843538 in words is "eighty-three million, eight hundred forty-three thousand, five hundred thirty-eight".