385714829 has 2 divisors, whose sum is σ = 385714830. Its totient is φ = 385714828.

The previous prime is 385714817. The next prime is 385714837. The reversal of 385714829 is 928417583.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321233929 + 64480900 = 17923^2 + 8030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385714829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385714229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192857414 + 192857415.

It is an arithmetic number, because the mean of its divisors is an integer number (192857415).

Almost surely, 2^385714829 is an apocalyptic number.

It is an amenable number.

385714829 is a deficient number, since it is larger than the sum of its proper divisors (1).

385714829 is an equidigital number, since it uses as much as digits as its factorization.

385714829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The square root of 385714829 is about 19639.6239526117. The cubic root of 385714829 is about 727.9285927274.

The spelling of 385714829 in words is "three hundred eighty-five million, seven hundred fourteen thousand, eight hundred twenty-nine".