368639983 has 2 divisors, whose sum is σ = 368639984. Its totient is φ = 368639982.

The previous prime is 368639981. The next prime is 368640017. The reversal of 368639983 is 389936863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 368639983 - 2¹ = 368639981 is a prime.

Together with 368639981, 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 (368639981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184319991 + 184319992.

It is an arithmetic number, because the mean of its divisors is an integer number (184319992).

Almost surely, 2^368639983 is an apocalyptic number.

368639983 is a deficient number, since it is larger than the sum of its proper divisors (1).

368639983 is an equidigital number, since it uses as much as digits as its factorization.

368639983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 55.

The square root of 368639983 is about 19199.9995572917. Note that the first 3 decimals coincide. The cubic root of 368639983 is about 717.0247484272.

The spelling of 368639983 in words is "three hundred sixty-eight million, six hundred thirty-nine thousand, nine hundred eighty-three".