38823907 has 2 divisors, whose sum is σ = 38823908. Its totient is φ = 38823906.

The previous prime is 38823901. The next prime is 38823923. The reversal of 38823907 is 70932883.

It is a happy number.

38823907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38823907 - 2³ = 38823899 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38823907.

It is not a weakly prime, because it can be changed into another prime (38823901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19411953 + 19411954.

It is an arithmetic number, because the mean of its divisors is an integer number (19411954).

Almost surely, 2^38823907 is an apocalyptic number.

38823907 is a deficient number, since it is larger than the sum of its proper divisors (1).

38823907 is an equidigital number, since it uses as much as digits as its factorization.

38823907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 38823907 is about 6230.8833242166. The cubic root of 38823907 is about 338.6099736710.

The spelling of 38823907 in words is "thirty-eight million, eight hundred twenty-three thousand, nine hundred seven".