381333741 has 8 divisors (see below), whose sum is σ = 508902240. Its totient is φ = 253993872.

The previous prime is 381333737. The next prime is 381333779. The reversal of 381333741 is 147333183.

It is a happy number.

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

It is not a de Polignac number, because 381333741 - 2² = 381333737 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381333541) 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 in 7 ways as a sum of consecutive naturals, for example, 53226 + ... + 59963.

It is an arithmetic number, because the mean of its divisors is an integer number (63612780).

Almost surely, 2^381333741 is an apocalyptic number.

It is an amenable number.

381333741 is a deficient number, since it is larger than the sum of its proper divisors (127568499).

381333741 is a wasteful number, since it uses less digits than its factorization.

381333741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114315.

The product of its digits is 18144, while the sum is 33.

The square root of 381333741 is about 19527.7684592992. The cubic root of 381333741 is about 725.1620666623.

The spelling of 381333741 in words is "three hundred eighty-one million, three hundred thirty-three thousand, seven hundred forty-one".