386225429 has 2 divisors, whose sum is σ = 386225430. Its totient is φ = 386225428.

The previous prime is 386225423. The next prime is 386225443. The reversal of 386225429 is 924522683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193154404 + 193071025 = 13898^2 + 13895^2 .

It is a cyclic number.

It is not a de Polignac number, because 386225429 - 2⁸ = 386225173 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386225423) 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, 193112714 + 193112715.

It is an arithmetic number, because the mean of its divisors is an integer number (193112715).

Almost surely, 2^386225429 is an apocalyptic number.

It is an amenable number.

386225429 is a deficient number, since it is larger than the sum of its proper divisors (1).

386225429 is an equidigital number, since it uses as much as digits as its factorization.

386225429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 386225429 is about 19652.6188840063. The cubic root of 386225429 is about 728.2496558764.

The spelling of 386225429 in words is "three hundred eighty-six million, two hundred twenty-five thousand, four hundred twenty-nine".