82439934 has 8 divisors (see below), whose sum is σ = 164879880. Its totient is φ = 27479976.

The previous prime is 82439923. The next prime is 82439947. The reversal of 82439934 is 43993428.

It is a happy number.

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

82439934 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6869989 + ... + 6870000.

It is an arithmetic number, because the mean of its divisors is an integer number (20609985).

Almost surely, 2^82439934 is an apocalyptic number.

82439934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82439934 is a wasteful number, since it uses less digits than its factorization.

82439934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13739994.

The product of its digits is 186624, while the sum is 42.

The square root of 82439934 is about 9079.6439357499. The cubic root of 82439934 is about 435.2237084238.

The spelling of 82439934 in words is "eighty-two million, four hundred thirty-nine thousand, nine hundred thirty-four".