38307641 has 2 divisors, whose sum is σ = 38307642. Its totient is φ = 38307640.

The previous prime is 38307631. The next prime is 38307671. The reversal of 38307641 is 14670383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31125241 + 7182400 = 5579^2 + 2680^2 .

It is a cyclic number.

It is not a de Polignac number, because 38307641 - 2¹⁰ = 38306617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38307598 and 38307607.

It is not a weakly prime, because it can be changed into another prime (38307631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19153820 + 19153821.

It is an arithmetic number, because the mean of its divisors is an integer number (19153821).

Almost surely, 2^38307641 is an apocalyptic number.

It is an amenable number.

38307641 is a deficient number, since it is larger than the sum of its proper divisors (1).

38307641 is an equidigital number, since it uses as much as digits as its factorization.

38307641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 38307641 is about 6189.3166828011. The cubic root of 38307641 is about 337.1023677368.

The spelling of 38307641 in words is "thirty-eight million, three hundred seven thousand, six hundred forty-one".