38685943 has 2 divisors, whose sum is σ = 38685944. Its totient is φ = 38685942.

The previous prime is 38685937. The next prime is 38685949. The reversal of 38685943 is 34958683.

It is a balanced prime because it is at equal distance from previous prime (38685937) and next prime (38685949).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38685943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38685893 and 38685902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38685949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19342971 + 19342972.

It is an arithmetic number, because the mean of its divisors is an integer number (19342972).

Almost surely, 2^38685943 is an apocalyptic number.

38685943 is a deficient number, since it is larger than the sum of its proper divisors (1).

38685943 is an equidigital number, since it uses as much as digits as its factorization.

38685943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 38685943 is about 6219.8024888255. The cubic root of 38685943 is about 338.2084046730.

The spelling of 38685943 in words is "thirty-eight million, six hundred eighty-five thousand, nine hundred forty-three".