38323861 has 2 divisors, whose sum is σ = 38323862. Its totient is φ = 38323860.

The previous prime is 38323853. The next prime is 38323913. The reversal of 38323861 is 16832383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32706961 + 5616900 = 5719^2 + 2370^2 .

It is a cyclic number.

It is not a de Polignac number, because 38323861 - 2³ = 38323853 is a prime.

It is equal to p_2337658 and since 38323861 and 2337658 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38323261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19161930 + 19161931.

It is an arithmetic number, because the mean of its divisors is an integer number (19161931).

Almost surely, 2^38323861 is an apocalyptic number.

It is an amenable number.

38323861 is a deficient number, since it is larger than the sum of its proper divisors (1).

38323861 is an equidigital number, since it uses as much as digits as its factorization.

38323861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 38323861 is about 6190.6268664813. The cubic root of 38323861 is about 337.1499390022.

The spelling of 38323861 in words is "thirty-eight million, three hundred twenty-three thousand, eight hundred sixty-one".