38612869 has 2 divisors, whose sum is σ = 38612870. Its totient is φ = 38612868.

The previous prime is 38612863. The next prime is 38612947. The reversal of 38612869 is 96821683.

38612869 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., 32924644 + 5688225 = 5738^2 + 2385^2 .

It is a cyclic number.

It is not a de Polignac number, because 38612869 - 2¹⁷ = 38481797 is a prime.

It is a super-2 number, since 2×38612869² = 2981907304822322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38612863) 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, 19306434 + 19306435.

It is an arithmetic number, because the mean of its divisors is an integer number (19306435).

Almost surely, 2^38612869 is an apocalyptic number.

It is an amenable number.

38612869 is a deficient number, since it is larger than the sum of its proper divisors (1).

38612869 is an equidigital number, since it uses as much as digits as its factorization.

38612869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 38612869 is about 6213.9254099160. The cubic root of 38612869 is about 337.9953228115.

The spelling of 38612869 in words is "thirty-eight million, six hundred twelve thousand, eight hundred sixty-nine".