38939371 has 2 divisors, whose sum is σ = 38939372. Its totient is φ = 38939370.

The previous prime is 38939309. The next prime is 38939393. The reversal of 38939371 is 17393983.

38939371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38939371 - 2¹⁷ = 38808299 is a prime.

It is a super-2 number, since 2×38939371² = 3032549227751282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38939671) 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, 19469685 + 19469686.

It is an arithmetic number, because the mean of its divisors is an integer number (19469686).

Almost surely, 2^38939371 is an apocalyptic number.

38939371 is a deficient number, since it is larger than the sum of its proper divisors (1).

38939371 is an equidigital number, since it uses as much as digits as its factorization.

38939371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 38939371 is about 6240.1419054377. The cubic root of 38939371 is about 338.9453217417.

The spelling of 38939371 in words is "thirty-eight million, nine hundred thirty-nine thousand, three hundred seventy-one".