382000881 has 4 divisors (see below), whose sum is σ = 509334512. Its totient is φ = 254667252.

The previous prime is 382000877. The next prime is 382000889. The reversal of 382000881 is 188000283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 188000283 = 3 ⋅62666761.

It is not a de Polignac number, because 382000881 - 2² = 382000877 is a prime.

It is a super-2 number, since 2×382000881² = 291849346169552322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382000889) 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, 63666811 + ... + 63666816.

It is an arithmetic number, because the mean of its divisors is an integer number (127333628).

Almost surely, 2^382000881 is an apocalyptic number.

It is an amenable number.

382000881 is a deficient number, since it is larger than the sum of its proper divisors (127333631).

382000881 is a wasteful number, since it uses less digits than its factorization.

382000881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127333630.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 382000881 is about 19544.8428236197. The cubic root of 382000881 is about 725.5847084914.

The spelling of 382000881 in words is "three hundred eighty-two million, eight hundred eighty-one", and thus it is an aban number.