38947361 has 2 divisors, whose sum is σ = 38947362. Its totient is φ = 38947360.

The previous prime is 38947351. The next prime is 38947367. The reversal of 38947361 is 16374983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20757136 + 18190225 = 4556^2 + 4265^2 .

It is a cyclic number.

It is not a de Polignac number, because 38947361 - 2⁶ = 38947297 is a prime.

It is not a weakly prime, because it can be changed into another prime (38947367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19473680 + 19473681.

It is an arithmetic number, because the mean of its divisors is an integer number (19473681).

Almost surely, 2^38947361 is an apocalyptic number.

It is an amenable number.

38947361 is a deficient number, since it is larger than the sum of its proper divisors (1).

38947361 is an equidigital number, since it uses as much as digits as its factorization.

38947361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 38947361 is about 6240.7820823996. The cubic root of 38947361 is about 338.9685029748.

The spelling of 38947361 in words is "thirty-eight million, nine hundred forty-seven thousand, three hundred sixty-one".