38205929 has 2 divisors, whose sum is σ = 38205930. Its totient is φ = 38205928.

The previous prime is 38205913. The next prime is 38205949. The reversal of 38205929 is 92950283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30780304 + 7425625 = 5548^2 + 2725^2 .

It is a cyclic number.

It is not a de Polignac number, because 38205929 - 2⁴ = 38205913 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38205892 and 38205901.

It is not a weakly prime, because it can be changed into another prime (38205949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19102964 + 19102965.

It is an arithmetic number, because the mean of its divisors is an integer number (19102965).

Almost surely, 2^38205929 is an apocalyptic number.

It is an amenable number.

38205929 is a deficient number, since it is larger than the sum of its proper divisors (1).

38205929 is an equidigital number, since it uses as much as digits as its factorization.

38205929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 38205929 is about 6181.0944823712. The cubic root of 38205929 is about 336.8037524054.

The spelling of 38205929 in words is "thirty-eight million, two hundred five thousand, nine hundred twenty-nine".