381282115 has 8 divisors (see below), whose sum is σ = 459910368. Its totient is φ = 303444480.

The previous prime is 381282107. The next prime is 381282119. The reversal of 381282115 is 511282183.

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

It is not a de Polignac number, because 381282115 - 2³ = 381282107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381282119) 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 7 ways as a sum of consecutive naturals, for example, 196591 + ... + 198520.

It is an arithmetic number, because the mean of its divisors is an integer number (57488796).

Almost surely, 2^381282115 is an apocalyptic number.

381282115 is a deficient number, since it is larger than the sum of its proper divisors (78628253).

381282115 is a wasteful number, since it uses less digits than its factorization.

381282115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395309.

The product of its digits is 3840, while the sum is 31.

The square root of 381282115 is about 19526.4465533286. The cubic root of 381282115 is about 725.1293403804.

The spelling of 381282115 in words is "three hundred eighty-one million, two hundred eighty-two thousand, one hundred fifteen".