38800247 has 2 divisors, whose sum is σ = 38800248. Its totient is φ = 38800246.

The previous prime is 38800243. The next prime is 38800301. The reversal of 38800247 is 74200883.

It is a weak prime.

It is an emirp because it is prime and its reverse (74200883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38800247 - 2² = 38800243 is a prime.

It is a super-2 number, since 2×38800247² = 3010918334522018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38800243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19400123 + 19400124.

It is an arithmetic number, because the mean of its divisors is an integer number (19400124).

Almost surely, 2^38800247 is an apocalyptic number.

38800247 is a deficient number, since it is larger than the sum of its proper divisors (1).

38800247 is an equidigital number, since it uses as much as digits as its factorization.

38800247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 38800247 is about 6228.9844276575. The cubic root of 38800247 is about 338.5411746534.

The spelling of 38800247 in words is "thirty-eight million, eight hundred thousand, two hundred forty-seven".