82660384 has 48 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 39559680.

The previous prime is 82660373. The next prime is 82660433. The reversal of 82660384 is 48306628.

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 7 ways as a sum of consecutive naturals, for example, 101772 + ... + 102580.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 2^82660384 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 82660384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84913920).

82660384 is an abundant number, since it is smaller than the sum of its proper divisors (87167456).

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

82660384 is a wasteful number, since it uses less digits than its factorization.

82660384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 82660384 is about 9091.7756241562. The cubic root of 82660384 is about 435.6113024270.

The spelling of 82660384 in words is "eighty-two million, six hundred sixty thousand, three hundred eighty-four".