381327736 has 8 divisors (see below), whose sum is σ = 714989520. Its totient is φ = 190663864.

The previous prime is 381327721. The next prime is 381327761. The reversal of 381327736 is 637723183.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23832976 + ... + 23832991.

It is an arithmetic number, because the mean of its divisors is an integer number (89373690).

Almost surely, 2^381327736 is an apocalyptic number.

It is an amenable number.

381327736 is a deficient number, since it is larger than the sum of its proper divisors (333661784).

381327736 is a wasteful number, since it uses less digits than its factorization.

381327736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47665973 (or 47665969 counting only the distinct ones).

The product of its digits is 127008, while the sum is 40.

The square root of 381327736 is about 19527.6147032862. The cubic root of 381327736 is about 725.1582601794.

The spelling of 381327736 in words is "three hundred eighty-one million, three hundred twenty-seven thousand, seven hundred thirty-six".