38566769 has 2 divisors, whose sum is σ = 38566770. Its totient is φ = 38566768.

The previous prime is 38566763. The next prime is 38566807. The reversal of 38566769 is 96766583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24601600 + 13965169 = 4960^2 + 3737^2 .

It is an emirp because it is prime and its reverse (96766583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38566769 - 2⁴ = 38566753 is a prime.

It is a super-2 number, since 2×38566769² = 2974791342198722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38566763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19283384 + 19283385.

It is an arithmetic number, because the mean of its divisors is an integer number (19283385).

Almost surely, 2^38566769 is an apocalyptic number.

It is an amenable number.

38566769 is a deficient number, since it is larger than the sum of its proper divisors (1).

38566769 is an equidigital number, since it uses as much as digits as its factorization.

38566769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 50.

The square root of 38566769 is about 6210.2148916120. The cubic root of 38566769 is about 337.8607580937.

The spelling of 38566769 in words is "thirty-eight million, five hundred sixty-six thousand, seven hundred sixty-nine".