38684339 has 2 divisors, whose sum is σ = 38684340. Its totient is φ = 38684338.

The previous prime is 38684287. The next prime is 38684363. The reversal of 38684339 is 93348683.

38684339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38684339 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38684339.

It is not a weakly prime, because it can be changed into another prime (38684389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19342169 + 19342170.

It is an arithmetic number, because the mean of its divisors is an integer number (19342170).

Almost surely, 2^38684339 is an apocalyptic number.

38684339 is a deficient number, since it is larger than the sum of its proper divisors (1).

38684339 is an equidigital number, since it uses as much as digits as its factorization.

38684339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 44.

The square root of 38684339 is about 6219.6735444877. The cubic root of 38684339 is about 338.2037303328.

The spelling of 38684339 in words is "thirty-eight million, six hundred eighty-four thousand, three hundred thirty-nine".