82399306 has 24 divisors (see below), whose sum is σ = 143855460. Its totient is φ = 35249280.

The previous prime is 82399301. The next prime is 82399307. The reversal of 82399306 is 60399328.

It can be written as a sum of positive squares in 2 ways, for example, as 82355625 + 43681 = 9075^2 + 209^2 .

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 11 ways as a sum of consecutive naturals, for example, 5901 + ... + 14128.

Almost surely, 2^82399306 is an apocalyptic number.

82399306 is a deficient number, since it is larger than the sum of its proper divisors (61456154).

82399306 is a wasteful number, since it uses less digits than its factorization.

82399306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20070 (or 20059 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 82399306 is about 9077.4063476304. The cubic root of 82399306 is about 435.1522011114.

The spelling of 82399306 in words is "eighty-two million, three hundred ninety-nine thousand, three hundred six".