38307361 has 2 divisors, whose sum is σ = 38307362. Its totient is φ = 38307360.

The previous prime is 38307359. The next prime is 38307389. The reversal of 38307361 is 16370383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36000000 + 2307361 = 6000^2 + 1519^2 .

It is a cyclic number.

It is not a de Polignac number, because 38307361 - 2¹ = 38307359 is a prime.

Together with 38307359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38307761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19153680 + 19153681.

It is an arithmetic number, because the mean of its divisors is an integer number (19153681).

Almost surely, 2^38307361 is an apocalyptic number.

It is an amenable number.

38307361 is a deficient number, since it is larger than the sum of its proper divisors (1).

38307361 is an equidigital number, since it uses as much as digits as its factorization.

38307361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 38307361 is about 6189.2940631384. The cubic root of 38307361 is about 337.1015464133.

The spelling of 38307361 in words is "thirty-eight million, three hundred seven thousand, three hundred sixty-one".