82239604 has 24 divisors (see below), whose sum is σ = 151425288. Its totient is φ = 39029760.

The previous prime is 82239601. The next prime is 82239611. The reversal of 82239604 is 40693228.

It can be written as a sum of positive squares in 4 ways, for example, as 18079504 + 64160100 = 4252^2 + 8010^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 82239604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82239601) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 709 + ... + 12844.

It is an arithmetic number, because the mean of its divisors is an integer number (6309387).

Almost surely, 2^82239604 is an apocalyptic number.

It is an amenable number.

82239604 is a deficient number, since it is larger than the sum of its proper divisors (69185684).

82239604 is a wasteful number, since it uses less digits than its factorization.

82239604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13635 (or 13633 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 82239604 is about 9068.6054054634. The cubic root of 82239604 is about 434.8708895908.

The spelling of 82239604 in words is "eighty-two million, two hundred thirty-nine thousand, six hundred four".