38284769 has 2 divisors, whose sum is σ = 38284770. Its totient is φ = 38284768.

The previous prime is 38284747. The next prime is 38284781. The reversal of 38284769 is 96748283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37063744 + 1221025 = 6088^2 + 1105^2 .

It is an emirp because it is prime and its reverse (96748283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38284769 - 2¹² = 38280673 is a prime.

It is a super-2 number, since 2×38284769² = 2931447074766722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38284789) 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, 19142384 + 19142385.

It is an arithmetic number, because the mean of its divisors is an integer number (19142385).

Almost surely, 2^38284769 is an apocalyptic number.

It is an amenable number.

38284769 is a deficient number, since it is larger than the sum of its proper divisors (1).

38284769 is an equidigital number, since it uses as much as digits as its factorization.

38284769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 38284769 is about 6187.4687069916. The cubic root of 38284769 is about 337.0352641499.

The spelling of 38284769 in words is "thirty-eight million, two hundred eighty-four thousand, seven hundred sixty-nine".