381464183 has 2 divisors, whose sum is σ = 381464184. Its totient is φ = 381464182.

The previous prime is 381464143. The next prime is 381464189.

381464183 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 381464183 - 2⁶ = 381464119 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381464189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190732091 + 190732092.

It is an arithmetic number, because the mean of its divisors is an integer number (190732092).

Almost surely, 2^381464183 is an apocalyptic number.

381464183 is a deficient number, since it is larger than the sum of its proper divisors (1).

381464183 is an equidigital number, since it uses as much as digits as its factorization.

381464183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 381464183 is about 19531.1080842844. The cubic root of 381464183 is about 725.2447421043.

The spelling of 381464183 in words is "three hundred eighty-one million, four hundred sixty-four thousand, one hundred eighty-three".