82939684 has 6 divisors (see below), whose sum is σ = 145144454. Its totient is φ = 41469840.

The previous prime is 82939639. The next prime is 82939691. The reversal of 82939684 is 48693928.

82939684 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 57153600 + 25786084 = 7560^2 + 5078^2 .

82939684 is strictly pandigital in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10367457 + ... + 10367464.

Almost surely, 2^82939684 is an apocalyptic number.

It is an amenable number.

82939684 is a deficient number, since it is larger than the sum of its proper divisors (62204770).

82939684 is a wasteful number, since it uses less digits than its factorization.

82939684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20734925 (or 20734923 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 82939684 is about 9107.1227069805. The cubic root of 82939684 is about 436.1013778232.

The spelling of 82939684 in words is "eighty-two million, nine hundred thirty-nine thousand, six hundred eighty-four".