382906909 has 16 divisors (see below), whose sum is σ = 477959040. Its totient is φ = 298013760.

The previous prime is 382906907. The next prime is 382906933. The reversal of 382906909 is 909609283.

It is a happy number.

It is not a de Polignac number, because 382906909 - 2¹ = 382906907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382906903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75547 + ... + 80455.

It is an arithmetic number, because the mean of its divisors is an integer number (29872440).

Almost surely, 2^382906909 is an apocalyptic number.

It is an amenable number.

382906909 is a deficient number, since it is larger than the sum of its proper divisors (95052131).

382906909 is a wasteful number, since it uses less digits than its factorization.

382906909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 382906909 is about 19568.0072822963. The cubic root of 382906909 is about 726.1579017650.

The spelling of 382906909 in words is "three hundred eighty-two million, nine hundred six thousand, nine hundred nine".