368879839 has 2 divisors, whose sum is σ = 368879840. Its totient is φ = 368879838.

The previous prime is 368879837. The next prime is 368879867. The reversal of 368879839 is 938978863.

It is a weak prime.

It is an emirp because it is prime and its reverse (938978863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 368879839 - 2¹ = 368879837 is a prime.

Together with 368879837, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368879831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184439919 + 184439920.

It is an arithmetic number, because the mean of its divisors is an integer number (184439920).

Almost surely, 2^368879839 is an apocalyptic number.

368879839 is a deficient number, since it is larger than the sum of its proper divisors (1).

368879839 is an equidigital number, since it uses as much as digits as its factorization.

368879839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 61.

The square root of 368879839 is about 19206.2447917338. The cubic root of 368879839 is about 717.1802256852.

The spelling of 368879839 in words is "three hundred sixty-eight million, eight hundred seventy-nine thousand, eight hundred thirty-nine".