381374347 has 2 divisors, whose sum is σ = 381374348. Its totient is φ = 381374346.

The previous prime is 381374233. The next prime is 381374363. The reversal of 381374347 is 743473183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381374347 - 2¹⁹ = 380850059 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (381374047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190687173 + 190687174.

It is an arithmetic number, because the mean of its divisors is an integer number (190687174).

Almost surely, 2^381374347 is an apocalyptic number.

381374347 is a deficient number, since it is larger than the sum of its proper divisors (1).

381374347 is an equidigital number, since it uses as much as digits as its factorization.

381374347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 40.

The square root of 381374347 is about 19528.8081305542. The cubic root of 381374347 is about 725.1878051713.

The spelling of 381374347 in words is "three hundred eighty-one million, three hundred seventy-four thousand, three hundred forty-seven".