381504341 has 4 divisors (see below), whose sum is σ = 381552300. Its totient is φ = 381456384.

The previous prime is 381504337. The next prime is 381504349. The reversal of 381504341 is 143405183.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 143405183 = 17 ⋅8435599.

It can be written as a sum of positive squares in 2 ways, for example, as 90801841 + 290702500 = 9529^2 + 17050^2 .

It is a cyclic number.

It is not a de Polignac number, because 381504341 - 2² = 381504337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381504349) 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, 8876 + ... + 29013.

It is an arithmetic number, because the mean of its divisors is an integer number (95388075).

Almost surely, 2^381504341 is an apocalyptic number.

It is an amenable number.

381504341 is a deficient number, since it is larger than the sum of its proper divisors (47959).

381504341 is a wasteful number, since it uses less digits than its factorization.

381504341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47958.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 381504341 is about 19532.1361094991. The cubic root of 381504341 is about 725.2701908512.

The spelling of 381504341 in words is "three hundred eighty-one million, five hundred four thousand, three hundred forty-one".