38493769 has 2 divisors, whose sum is σ = 38493770. Its totient is φ = 38493768.

The previous prime is 38493761. The next prime is 38493803. The reversal of 38493769 is 96739483.

38493769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23377225 + 15116544 = 4835^2 + 3888^2 .

It is a cyclic number.

It is not a de Polignac number, because 38493769 - 2³ = 38493761 is a prime.

It is a super-2 number, since 2×38493769² = 2963540503650722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38493761) 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, 19246884 + 19246885.

It is an arithmetic number, because the mean of its divisors is an integer number (19246885).

Almost surely, 2^38493769 is an apocalyptic number.

It is an amenable number.

38493769 is a deficient number, since it is larger than the sum of its proper divisors (1).

38493769 is an equidigital number, since it uses as much as digits as its factorization.

38493769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 38493769 is about 6204.3346943891. The cubic root of 38493769 is about 337.6474534467.

The spelling of 38493769 in words is "thirty-eight million, four hundred ninety-three thousand, seven hundred sixty-nine".