82309276 has 24 divisors (see below), whose sum is σ = 164981376. Its totient is φ = 35197680.

The previous prime is 82309261. The next prime is 82309277. The reversal of 82309276 is 67290328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82309277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10755 + ... + 16741.

It is an arithmetic number, because the mean of its divisors is an integer number (6874224).

Almost surely, 2^82309276 is an apocalyptic number.

It is an amenable number.

82309276 is an abundant number, since it is smaller than the sum of its proper divisors (82672100).

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

82309276 is a wasteful number, since it uses less digits than its factorization.

82309276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489 (or 6487 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 82309276 is about 9072.4459766923. The cubic root of 82309276 is about 434.9936600124.

The spelling of 82309276 in words is "eighty-two million, three hundred nine thousand, two hundred seventy-six".