83999938 has 8 divisors (see below), whose sum is σ = 137454480. Its totient is φ = 38181780.

The previous prime is 83999917. The next prime is 83999947.

83999938 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1909068 + ... + 1909111.

It is an arithmetic number, because the mean of its divisors is an integer number (17181810).

Almost surely, 2^83999938 is an apocalyptic number.

83999938 is a deficient number, since it is larger than the sum of its proper divisors (53454542).

83999938 is a wasteful number, since it uses less digits than its factorization.

83999938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818192.

The product of its digits is 3779136, while the sum is 58.

The square root of 83999938 is about 9165.1480075338. The cubic root of 83999938 is about 437.9518062387.

The spelling of 83999938 in words is "eighty-three million, nine hundred ninety-nine thousand, nine hundred thirty-eight".