381743741 has 8 divisors (see below), whose sum is σ = 386118144. Its totient is φ = 377381200.

The previous prime is 381743737. The next prime is 381743749. The reversal of 381743741 is 147347183.

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 381743741 - 2² = 381743737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381743695 and 381743704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381743749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72500 + ... + 77586.

It is an arithmetic number, because the mean of its divisors is an integer number (48264768).

Almost surely, 2^381743741 is an apocalyptic number.

It is an amenable number.

381743741 is a deficient number, since it is larger than the sum of its proper divisors (4374403).

381743741 is a wasteful number, since it uses less digits than its factorization.

381743741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931.

The product of its digits is 56448, while the sum is 38.

The square root of 381743741 is about 19538.2635103532. The cubic root of 381743741 is about 725.4218652965.

The spelling of 381743741 in words is "three hundred eighty-one million, seven hundred forty-three thousand, seven hundred forty-one".