38884739 has 2 divisors, whose sum is σ = 38884740. Its totient is φ = 38884738.

The previous prime is 38884711. The next prime is 38884787. The reversal of 38884739 is 93748883.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38884739 - 2¹⁶ = 38819203 is a prime.

It is not a weakly prime, because it can be changed into another prime (38884709) 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, 19442369 + 19442370.

It is an arithmetic number, because the mean of its divisors is an integer number (19442370).

Almost surely, 2^38884739 is an apocalyptic number.

38884739 is a deficient number, since it is larger than the sum of its proper divisors (1).

38884739 is an equidigital number, since it uses as much as digits as its factorization.

38884739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The square root of 38884739 is about 6235.7629044087. The cubic root of 38884739 is about 338.7867339421.

The spelling of 38884739 in words is "thirty-eight million, eight hundred eighty-four thousand, seven hundred thirty-nine".