390144017 has 2 divisors, whose sum is σ = 390144018. Its totient is φ = 390144016.

The previous prime is 390144011. The next prime is 390144019. The reversal of 390144017 is 710441093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354907921 + 35236096 = 18839^2 + 5936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-390144017 is a prime.

Together with 390144019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (390144011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195072008 + 195072009.

It is an arithmetic number, because the mean of its divisors is an integer number (195072009).

Almost surely, 2^390144017 is an apocalyptic number.

It is an amenable number.

390144017 is a deficient number, since it is larger than the sum of its proper divisors (1).

390144017 is an equidigital number, since it uses as much as digits as its factorization.

390144017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 390144017 is about 19752.0636137088. The cubic root of 390144017 is about 730.7042787215.

The spelling of 390144017 in words is "three hundred ninety million, one hundred forty-four thousand, seventeen".