38009761 has 2 divisors, whose sum is σ = 38009762. Its totient is φ = 38009760.

The previous prime is 38009759. The next prime is 38009789. The reversal of 38009761 is 16790083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21566736 + 16443025 = 4644^2 + 4055^2 .

It is an emirp because it is prime and its reverse (16790083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38009761 - 2¹ = 38009759 is a prime.

Together with 38009759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38009711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19004880 + 19004881.

It is an arithmetic number, because the mean of its divisors is an integer number (19004881).

Almost surely, 2^38009761 is an apocalyptic number.

It is an amenable number.

38009761 is a deficient number, since it is larger than the sum of its proper divisors (1).

38009761 is an equidigital number, since it uses as much as digits as its factorization.

38009761 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 34.

The square root of 38009761 is about 6165.2056737793. The cubic root of 38009761 is about 336.2263243926.

The spelling of 38009761 in words is "thirty-eight million, nine thousand, seven hundred sixty-one".