381326716 has 6 divisors (see below), whose sum is σ = 667321760. Its totient is φ = 190663356.

The previous prime is 381326689. The next prime is 381326717. The reversal of 381326716 is 617623183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381326717) 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, 47665836 + ... + 47665843.

Almost surely, 2^381326716 is an apocalyptic number.

It is an amenable number.

381326716 is a deficient number, since it is larger than the sum of its proper divisors (285995044).

381326716 is a wasteful number, since it uses less digits than its factorization.

381326716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95331683 (or 95331681 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 381326716 is about 19527.5885864077. The cubic root of 381326716 is about 725.1576136121.

Adding to 381326716 its reverse (617623183), we get a palindrome (998949899).

The spelling of 381326716 in words is "three hundred eighty-one million, three hundred twenty-six thousand, seven hundred sixteen".