82239208 has 16 divisors (see below), whose sum is σ = 154318500. Its totient is φ = 41087616.

The previous prime is 82239193. The next prime is 82239221. The reversal of 82239208 is 80293228.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82047364 + 191844 = 9058^2 + 438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9678 + ... + 16066.

Almost surely, 2^82239208 is an apocalyptic number.

It is an amenable number.

82239208 is a deficient number, since it is larger than the sum of its proper divisors (72079292).

82239208 is a wasteful number, since it uses less digits than its factorization.

82239208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004 (or 8000 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 82239208 is about 9068.5835718705. The cubic root of 82239208 is about 434.8701915932.

The spelling of 82239208 in words is "eighty-two million, two hundred thirty-nine thousand, two hundred eight".