83818443 has 16 divisors (see below), whose sum is σ = 117866880. Its totient is φ = 52835904.

The previous prime is 83818433. The next prime is 83818457. The reversal of 83818443 is 34481838.

It is not a de Polignac number, because 83818443 - 2⁹ = 83817931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83818433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37855 + ... + 40007.

It is an arithmetic number, because the mean of its divisors is an integer number (7366680).

Almost surely, 2^83818443 is an apocalyptic number.

83818443 is a deficient number, since it is larger than the sum of its proper divisors (34048437).

83818443 is a wasteful number, since it uses less digits than its factorization.

83818443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858.

The product of its digits is 73728, while the sum is 39.

The square root of 83818443 is about 9155.2412857335. The cubic root of 83818443 is about 437.6361576754.

The spelling of 83818443 in words is "eighty-three million, eight hundred eighteen thousand, four hundred forty-three".