38918753 has 2 divisors, whose sum is σ = 38918754. Its totient is φ = 38918752.

The previous prime is 38918723. The next prime is 38918767. The reversal of 38918753 is 35781983.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38353249 + 565504 = 6193^2 + 752^2 .

It is an emirp because it is prime and its reverse (35781983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38918753 - 2⁸ = 38918497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38918723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19459376 + 19459377.

It is an arithmetic number, because the mean of its divisors is an integer number (19459377).

Almost surely, 2^38918753 is an apocalyptic number.

It is an amenable number.

38918753 is a deficient number, since it is larger than the sum of its proper divisors (1).

38918753 is an equidigital number, since it uses as much as digits as its factorization.

38918753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 38918753 is about 6238.4896409307. The cubic root of 38918753 is about 338.8854884825.

Adding to 38918753 its product of digits (181440), we get a palindrome (39100193).

The spelling of 38918753 in words is "thirty-eight million, nine hundred eighteen thousand, seven hundred fifty-three".