82309268 has 6 divisors (see below), whose sum is σ = 144041226. Its totient is φ = 41154632.

The previous prime is 82309261. The next prime is 82309277. The reversal of 82309268 is 86290328.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76247824 + 6061444 = 8732^2 + 2462^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82309261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10288655 + ... + 10288662.

It is an arithmetic number, because the mean of its divisors is an integer number (24006871).

Almost surely, 2^82309268 is an apocalyptic number.

It is an amenable number.

82309268 is a deficient number, since it is larger than the sum of its proper divisors (61731958).

82309268 is a wasteful number, since it uses less digits than its factorization.

82309268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20577321 (or 20577319 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 82309268 is about 9072.4455357968. The cubic root of 82309268 is about 434.9936459194.

The spelling of 82309268 in words is "eighty-two million, three hundred nine thousand, two hundred sixty-eight".