82399308 has 12 divisors (see below), whose sum is σ = 192265080. Its totient is φ = 27466432.

The previous prime is 82399307. The next prime is 82399327. The reversal of 82399308 is 80399328.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 82399308.

It is not an unprimeable number, because it can be changed into a prime (82399301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3433293 + ... + 3433316.

It is an arithmetic number, because the mean of its divisors is an integer number (16022090).

Almost surely, 2^82399308 is an apocalyptic number.

It is an amenable number.

82399308 is an abundant number, since it is smaller than the sum of its proper divisors (109865772).

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

82399308 is a wasteful number, since it uses less digits than its factorization.

82399308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866616 (or 6866614 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 82399308 is about 9077.4064577940. The cubic root of 82399308 is about 435.1522046321.

The spelling of 82399308 in words is "eighty-two million, three hundred ninety-nine thousand, three hundred eight".