38965247 has 2 divisors, whose sum is σ = 38965248. Its totient is φ = 38965246.

The previous prime is 38965217. The next prime is 38965261. The reversal of 38965247 is 74256983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38965247 - 2¹⁰ = 38964223 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38965198 and 38965207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38965217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19482623 + 19482624.

It is an arithmetic number, because the mean of its divisors is an integer number (19482624).

Almost surely, 2^38965247 is an apocalyptic number.

38965247 is a deficient number, since it is larger than the sum of its proper divisors (1).

38965247 is an equidigital number, since it uses as much as digits as its factorization.

38965247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 38965247 is about 6242.2149113916. The cubic root of 38965247 is about 339.0203837924.

The spelling of 38965247 in words is "thirty-eight million, nine hundred sixty-five thousand, two hundred forty-seven".