82304399 has 2 divisors, whose sum is σ = 82304400. Its totient is φ = 82304398.

The previous prime is 82304393. The next prime is 82304401. The reversal of 82304399 is 99340328.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82304399 - 2¹² = 82300303 is a prime.

Together with 82304401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82304393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41152199 + 41152200.

It is an arithmetic number, because the mean of its divisors is an integer number (41152200).

Almost surely, 2^82304399 is an apocalyptic number.

82304399 is a deficient number, since it is larger than the sum of its proper divisors (1).

82304399 is an equidigital number, since it uses as much as digits as its factorization.

82304399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 82304399 is about 9072.1771918322. The cubic root of 82304399 is about 434.9850684089.

The spelling of 82304399 in words is "eighty-two million, three hundred four thousand, three hundred ninety-nine".