38312669 has 2 divisors, whose sum is σ = 38312670. Its totient is φ = 38312668.

The previous prime is 38312657. The next prime is 38312689. The reversal of 38312669 is 96621383.

38312669 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., 29539225 + 8773444 = 5435^2 + 2962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38312669 is a prime.

It is a super-2 number, since 2×38312669² = 2935721211807122, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38312609) 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, 19156334 + 19156335.

It is an arithmetic number, because the mean of its divisors is an integer number (19156335).

Almost surely, 2^38312669 is an apocalyptic number.

It is an amenable number.

38312669 is a deficient number, since it is larger than the sum of its proper divisors (1).

38312669 is an equidigital number, since it uses as much as digits as its factorization.

38312669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 38312669 is about 6189.7228532463. The cubic root of 38312669 is about 337.1171156784.

The spelling of 38312669 in words is "thirty-eight million, three hundred twelve thousand, six hundred sixty-nine".