38682493 has 2 divisors, whose sum is σ = 38682494. Its totient is φ = 38682492.

The previous prime is 38682443. The next prime is 38682503. The reversal of 38682493 is 39428683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38415204 + 267289 = 6198^2 + 517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38682493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38682443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19341246 + 19341247.

It is an arithmetic number, because the mean of its divisors is an integer number (19341247).

Almost surely, 2^38682493 is an apocalyptic number.

It is an amenable number.

38682493 is a deficient number, since it is larger than the sum of its proper divisors (1).

38682493 is an equidigital number, since it uses as much as digits as its factorization.

38682493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The square root of 38682493 is about 6219.5251426455. The cubic root of 38682493 is about 338.1983506017.

The spelling of 38682493 in words is "thirty-eight million, six hundred eighty-two thousand, four hundred ninety-three".