82396209 has 8 divisors (see below), whose sum is σ = 125556160. Its totient is φ = 47083536.

The previous prime is 82396169. The next prime is 82396211. The reversal of 82396209 is 90269328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82396209 - 2⁷ = 82396081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82396219) 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 7 ways as a sum of consecutive naturals, for example, 1961794 + ... + 1961835.

It is an arithmetic number, because the mean of its divisors is an integer number (15694520).

Almost surely, 2^82396209 is an apocalyptic number.

It is an amenable number.

82396209 is a deficient number, since it is larger than the sum of its proper divisors (43159951).

82396209 is a wasteful number, since it uses less digits than its factorization.

82396209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923639.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 82396209 is about 9077.2357576522. The cubic root of 82396209 is about 435.1467492724.

The spelling of 82396209 in words is "eighty-two million, three hundred ninety-six thousand, two hundred nine".