83982839 has 8 divisors (see below), whose sum is σ = 89079120. Its totient is φ = 78903936.

The previous prime is 83982791. The next prime is 83982851. The reversal of 83982839 is 93828938.

It is a happy number.

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

It is not a de Polignac number, because 83982839 - 2²⁰ = 82934263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83982889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6392 + ... + 14450.

It is an arithmetic number, because the mean of its divisors is an integer number (11134890).

Almost surely, 2^83982839 is an apocalyptic number.

83982839 is a deficient number, since it is larger than the sum of its proper divisors (5096281).

83982839 is a wasteful number, since it uses less digits than its factorization.

83982839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8689.

The product of its digits is 746496, while the sum is 50.

The square root of 83982839 is about 9164.2151327869. The cubic root of 83982839 is about 437.9220877798.

The spelling of 83982839 in words is "eighty-three million, nine hundred eighty-two thousand, eight hundred thirty-nine".