38397427 has 2 divisors, whose sum is σ = 38397428. Its totient is φ = 38397426.

The previous prime is 38397413. The next prime is 38397451. The reversal of 38397427 is 72479383.

It is a weak prime.

It is an emirp because it is prime and its reverse (72479383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38397427 - 2⁷ = 38397299 is a prime.

It is not a weakly prime, because it can be changed into another prime (38391427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19198713 + 19198714.

It is an arithmetic number, because the mean of its divisors is an integer number (19198714).

Almost surely, 2^38397427 is an apocalyptic number.

38397427 is a deficient number, since it is larger than the sum of its proper divisors (1).

38397427 is an equidigital number, since it uses as much as digits as its factorization.

38397427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 38397427 is about 6196.5657424093. The cubic root of 38397427 is about 337.3655307015.

The spelling of 38397427 in words is "thirty-eight million, three hundred ninety-seven thousand, four hundred twenty-seven".