38922769 has 2 divisors, whose sum is σ = 38922770. Its totient is φ = 38922768.

The previous prime is 38922733. The next prime is 38922787. The reversal of 38922769 is 96722983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22439169 + 16483600 = 4737^2 + 4060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38922769 is a prime.

It is a super-2 number, since 2×38922769² = 3029963893254722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38923769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19461384 + 19461385.

It is an arithmetic number, because the mean of its divisors is an integer number (19461385).

Almost surely, 2^38922769 is an apocalyptic number.

It is an amenable number.

38922769 is a deficient number, since it is larger than the sum of its proper divisors (1).

38922769 is an equidigital number, since it uses as much as digits as its factorization.

38922769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 38922769 is about 6238.8115054071. The cubic root of 38922769 is about 338.8971445370.

The spelling of 38922769 in words is "thirty-eight million, nine hundred twenty-two thousand, seven hundred sixty-nine".