385834069 has 2 divisors, whose sum is σ = 385834070. Its totient is φ = 385834068.

The previous prime is 385834063. The next prime is 385834103. The reversal of 385834069 is 960438583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381733444 + 4100625 = 19538^2 + 2025^2 .

It is a cyclic number.

It is not a de Polignac number, because 385834069 - 2⁹ = 385833557 is a prime.

It is a super-2 number, since 2×385834069² = 297735857602193522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385834063) 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, 192917034 + 192917035.

It is an arithmetic number, because the mean of its divisors is an integer number (192917035).

Almost surely, 2^385834069 is an apocalyptic number.

It is an amenable number.

385834069 is a deficient number, since it is larger than the sum of its proper divisors (1).

385834069 is an equidigital number, since it uses as much as digits as its factorization.

385834069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 385834069 is about 19642.6594177061. The cubic root of 385834069 is about 728.0035956883.

The spelling of 385834069 in words is "three hundred eighty-five million, eight hundred thirty-four thousand, sixty-nine".