38440067 has 2 divisors, whose sum is σ = 38440068. Its totient is φ = 38440066.

The previous prime is 38440027. The next prime is 38440069. The reversal of 38440067 is 76004483.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (76004483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38440067 - 2⁸ = 38439811 is a prime.

Together with 38440069, 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 (38440069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19220033 + 19220034.

It is an arithmetic number, because the mean of its divisors is an integer number (19220034).

Almost surely, 2^38440067 is an apocalyptic number.

38440067 is a deficient number, since it is larger than the sum of its proper divisors (1).

38440067 is an equidigital number, since it uses as much as digits as its factorization.

38440067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 38440067 is about 6200.0054032235. The cubic root of 38440067 is about 337.4903649741.

The spelling of 38440067 in words is "thirty-eight million, four hundred forty thousand, sixty-seven".