38648707 has 2 divisors, whose sum is σ = 38648708. Its totient is φ = 38648706.

The previous prime is 38648699. The next prime is 38648737. The reversal of 38648707 is 70784683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38648707 - 2³ = 38648699 is a prime.

It is not a weakly prime, because it can be changed into another prime (38648737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19324353 + 19324354.

It is an arithmetic number, because the mean of its divisors is an integer number (19324354).

Almost surely, 2^38648707 is an apocalyptic number.

38648707 is a deficient number, since it is larger than the sum of its proper divisors (1).

38648707 is an equidigital number, since it uses as much as digits as its factorization.

38648707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 38648707 is about 6216.8084255508. The cubic root of 38648707 is about 338.0998590373.

The spelling of 38648707 in words is "thirty-eight million, six hundred forty-eight thousand, seven hundred seven".