384068709 has 20 divisors (see below), whose sum is σ = 607483404. Its totient is φ = 240983424.

The previous prime is 384068683. The next prime is 384068719. The reversal of 384068709 is 907860483.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 126562500 + 257506209 = 11250^2 + 16047^2 .

It is not a de Polignac number, because 384068709 - 2¹⁶ = 384003173 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384068719) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138082 + ... + 140835.

Almost surely, 2^384068709 is an apocalyptic number.

It is an amenable number.

384068709 is a deficient number, since it is larger than the sum of its proper divisors (223414695).

384068709 is a wasteful number, since it uses less digits than its factorization.

384068709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278946 (or 278937 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 384068709 is about 19597.6710095868. The cubic root of 384068709 is about 726.8915861235.

The spelling of 384068709 in words is "three hundred eighty-four million, sixty-eight thousand, seven hundred nine".