381796709 has 8 divisors (see below), whose sum is σ = 436457280. Its totient is φ = 327165696.

The previous prime is 381796703. The next prime is 381796717. The reversal of 381796709 is 907697183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 381796709 - 2¹⁶ = 381731173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381796703) 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 in 7 ways as a sum of consecutive naturals, for example, 47237 + ... + 54725.

It is an arithmetic number, because the mean of its divisors is an integer number (54557160).

Almost surely, 2^381796709 is an apocalyptic number.

It is an amenable number.

381796709 is a deficient number, since it is larger than the sum of its proper divisors (54660571).

381796709 is an equidigital number, since it uses as much as digits as its factorization.

381796709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14779.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 381796709 is about 19539.6189573901. The cubic root of 381796709 is about 725.4554151750.

The spelling of 381796709 in words is "three hundred eighty-one million, seven hundred ninety-six thousand, seven hundred nine".