83834218 has 16 divisors (see below), whose sum is σ = 141313536. Its totient is φ = 37010160.

The previous prime is 83834209. The next prime is 83834227. The reversal of 83834218 is 81243838.

It is an interprime number because it is at equal distance from previous prime (83834209) and next prime (83834227).

It is a super-2 number, since 2×83834218² = 14056352215343048, which contains 22 as substring.

It is an unprimeable number.

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, 69498 + ... + 70693.

It is an arithmetic number, because the mean of its divisors is an integer number (8832096).

Almost surely, 2^83834218 is an apocalyptic number.

83834218 is a deficient number, since it is larger than the sum of its proper divisors (57479318).

83834218 is a wasteful number, since it uses less digits than its factorization.

83834218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140229.

The product of its digits is 36864, while the sum is 37.

The square root of 83834218 is about 9156.1027735604. The cubic root of 83834218 is about 437.6636109704.

The spelling of 83834218 in words is "eighty-three million, eight hundred thirty-four thousand, two hundred eighteen".