82309698 has 12 divisors (see below), whose sum is σ = 178337718. Its totient is φ = 27436560.

The previous prime is 82309693. The next prime is 82309741. The reversal of 82309698 is 89690328.

It can be written as a sum of positive squares in only one way, i.e., 75637809 + 6671889 = 8697^2 + 2583^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82309693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2286363 + ... + 2286398.

Almost surely, 2^82309698 is an apocalyptic number.

82309698 is an abundant number, since it is smaller than the sum of its proper divisors (96028020).

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

82309698 is a wasteful number, since it uses less digits than its factorization.

82309698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572769 (or 4572766 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 82309698 is about 9072.4692338966. The cubic root of 82309698 is about 434.9944034159.

The spelling of 82309698 in words is "eighty-two million, three hundred nine thousand, six hundred ninety-eight".