381347411 has 4 divisors (see below), whose sum is σ = 382649232. Its totient is φ = 380045592.

The previous prime is 381347377. The next prime is 381347431. The reversal of 381347411 is 114743183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 381347411 - 2¹⁰ = 381346387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381347431) 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 3 ways as a sum of consecutive naturals, for example, 650471 + ... + 651056.

It is an arithmetic number, because the mean of its divisors is an integer number (95662308).

Almost surely, 2^381347411 is an apocalyptic number.

381347411 is a deficient number, since it is larger than the sum of its proper divisors (1301821).

381347411 is a wasteful number, since it uses less digits than its factorization.

381347411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301820.

The product of its digits is 8064, while the sum is 32.

The square root of 381347411 is about 19528.1184705542. The cubic root of 381347411 is about 725.1707317290.

The spelling of 381347411 in words is "three hundred eighty-one million, three hundred forty-seven thousand, four hundred eleven".