381132895 has 16 divisors (see below), whose sum is σ = 537318432. Its totient is φ = 255864960.

The previous prime is 381132889. The next prime is 381132937. The reversal of 381132895 is 598231183.

It is not a de Polignac number, because 381132895 - 2¹⁵ = 381100127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 265812 + ... + 267241.

It is an arithmetic number, because the mean of its divisors is an integer number (33582402).

Almost surely, 2^381132895 is an apocalyptic number.

381132895 is a deficient number, since it is larger than the sum of its proper divisors (156185537).

381132895 is a wasteful number, since it uses less digits than its factorization.

381132895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533082.

The product of its digits is 51840, while the sum is 40.

The square root of 381132895 is about 19522.6252076917. The cubic root of 381132895 is about 725.0347315902.

The spelling of 381132895 in words is "three hundred eighty-one million, one hundred thirty-two thousand, eight hundred ninety-five".