381175955 has 8 divisors (see below), whose sum is σ = 484317792. Its totient is φ = 287003008.

The previous prime is 381175939. The next prime is 381175957. The reversal of 381175955 is 559571183.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 381175955 - 2⁴ = 381175939 is a prime.

It is a super-3 number, since 3×381175955³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381175957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2242127 + ... + 2242296.

It is an arithmetic number, because the mean of its divisors is an integer number (60539724).

Almost surely, 2^381175955 is an apocalyptic number.

381175955 is a deficient number, since it is larger than the sum of its proper divisors (103141837).

381175955 is a wasteful number, since it uses less digits than its factorization.

381175955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484445.

The product of its digits is 189000, while the sum is 44.

The square root of 381175955 is about 19523.7279995394. The cubic root of 381175955 is about 725.0620351198.

The spelling of 381175955 in words is "three hundred eighty-one million, one hundred seventy-five thousand, nine hundred fifty-five".