38200009 has 2 divisors, whose sum is σ = 38200010. Its totient is φ = 38200008.

The previous prime is 38200007. The next prime is 38200067. The reversal of 38200009 is 90000283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36336784 + 1863225 = 6028^2 + 1365^2 .

It is a cyclic number.

It is not a de Polignac number, because 38200009 - 2¹ = 38200007 is a prime.

Together with 38200007, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38200007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19100004 + 19100005.

It is an arithmetic number, because the mean of its divisors is an integer number (19100005).

Almost surely, 2^38200009 is an apocalyptic number.

It is an amenable number.

38200009 is a deficient number, since it is larger than the sum of its proper divisors (1).

38200009 is an equidigital number, since it uses as much as digits as its factorization.

38200009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 38200009 is about 6180.6155842278. The cubic root of 38200009 is about 336.7863556186.

The spelling of 38200009 in words is "thirty-eight million, two hundred thousand, nine".