38959913 has 2 divisors, whose sum is σ = 38959914. Its totient is φ = 38959912.

The previous prime is 38959891. The next prime is 38959961. The reversal of 38959913 is 31995983.

38959913 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 can be written as a sum of positive squares in only one way, i.e., 27071209 + 11888704 = 5203^2 + 3448^2 .

It is an emirp because it is prime and its reverse (31995983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38959913 - 2¹² = 38955817 is a prime.

It is not a weakly prime, because it can be changed into another prime (38959813) 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, 19479956 + 19479957.

It is an arithmetic number, because the mean of its divisors is an integer number (19479957).

Almost surely, 2^38959913 is an apocalyptic number.

It is an amenable number.

38959913 is a deficient number, since it is larger than the sum of its proper divisors (1).

38959913 is an equidigital number, since it uses as much as digits as its factorization.

38959913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 47.

The square root of 38959913 is about 6241.7876445775. The cubic root of 38959913 is about 339.0049134491.

The spelling of 38959913 in words is "thirty-eight million, nine hundred fifty-nine thousand, nine hundred thirteen".