82839808 has 36 divisors (see below), whose sum is σ = 166528768. Its totient is φ = 41126400.

The previous prime is 82839787. The next prime is 82839811. The reversal of 82839808 is 80893828.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37585 + ... + 39727.

Almost surely, 2^82839808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82839808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83264384).

82839808 is an abundant number, since it is smaller than the sum of its proper divisors (83688960).

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

82839808 is a wasteful number, since it uses less digits than its factorization.

82839808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310 (or 2296 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 82839808 is about 9101.6376548399. The cubic root of 82839808 is about 435.9262563605.

The spelling of 82839808 in words is "eighty-two million, eight hundred thirty-nine thousand, eight hundred eight".