390000041 has 2 divisors, whose sum is σ = 390000042. Its totient is φ = 390000040.

The previous prime is 389999999. The next prime is 390000049. The reversal of 390000041 is 140000093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331094416 + 58905625 = 18196^2 + 7675^2 .

It is a cyclic number.

It is not a de Polignac number, because 390000041 - 2⁶ = 389999977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 389999974 and 390000019.

It is not a weakly prime, because it can be changed into another prime (390000049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195000020 + 195000021.

It is an arithmetic number, because the mean of its divisors is an integer number (195000021).

Almost surely, 2^390000041 is an apocalyptic number.

It is an amenable number.

390000041 is a deficient number, since it is larger than the sum of its proper divisors (1).

390000041 is an equidigital number, since it uses as much as digits as its factorization.

390000041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 390000041 is about 19748.4186961893. The cubic root of 390000041 is about 730.6143830090.

The spelling of 390000041 in words is "three hundred ninety million, forty-one", and thus it is an aban number.