38744231 has 2 divisors, whose sum is σ = 38744232. Its totient is φ = 38744230.

The previous prime is 38744227. The next prime is 38744257. The reversal of 38744231 is 13244783.

38744231 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 is an emirp because it is prime and its reverse (13244783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38744231 - 2² = 38744227 is a prime.

It is a super-2 number, since 2×38744231² = 3002230871562722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38744831) 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, 19372115 + 19372116.

It is an arithmetic number, because the mean of its divisors is an integer number (19372116).

Almost surely, 2^38744231 is an apocalyptic number.

38744231 is a deficient number, since it is larger than the sum of its proper divisors (1).

38744231 is an equidigital number, since it uses as much as digits as its factorization.

38744231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 38744231 is about 6224.4864045156. The cubic root of 38744231 is about 338.3781786485.

The spelling of 38744231 in words is "thirty-eight million, seven hundred forty-four thousand, two hundred thirty-one".