38942207 has 2 divisors, whose sum is σ = 38942208. Its totient is φ = 38942206.

The previous prime is 38942203. The next prime is 38942249. The reversal of 38942207 is 70224983.

It is a weak prime.

It is an emirp because it is prime and its reverse (70224983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38942207 - 2² = 38942203 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38942203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19471103 + 19471104.

It is an arithmetic number, because the mean of its divisors is an integer number (19471104).

Almost surely, 2^38942207 is an apocalyptic number.

38942207 is a deficient number, since it is larger than the sum of its proper divisors (1).

38942207 is an equidigital number, since it uses as much as digits as its factorization.

38942207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 38942207 is about 6240.3691397224. The cubic root of 38942207 is about 338.9535501369.

The spelling of 38942207 in words is "thirty-eight million, nine hundred forty-two thousand, two hundred seven".