82639382 has 24 divisors (see below), whose sum is σ = 144837000. Its totient is φ = 35259840.

The previous prime is 82639343. The next prime is 82639387. The reversal of 82639382 is 28393628.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82639387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21869 + ... + 25367.

It is an arithmetic number, because the mean of its divisors is an integer number (6034875).

Almost surely, 2^82639382 is an apocalyptic number.

82639382 is a deficient number, since it is larger than the sum of its proper divisors (62197618).

82639382 is a wasteful number, since it uses less digits than its factorization.

82639382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756 (or 3749 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 82639382 is about 9090.6205508755. The cubic root of 82639382 is about 435.5744065443.

The spelling of 82639382 in words is "eighty-two million, six hundred thirty-nine thousand, three hundred eighty-two".