863147382 has 8 divisors (see below), whose sum is σ = 1726294776. Its totient is φ = 287715792.

The previous prime is 863147321. The next prime is 863147393. The reversal of 863147382 is 283741368.

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

863147382 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 71928943 + ... + 71928954.

It is an arithmetic number, because the mean of its divisors is an integer number (215786847).

Almost surely, 2^863147382 is an apocalyptic number.

863147382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863147382 is a wasteful number, since it uses less digits than its factorization.

863147382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143857902.

The product of its digits is 193536, while the sum is 42.

The square root of 863147382 is about 29379.3700068603. The cubic root of 863147382 is about 952.1272302180.

The spelling of 863147382 in words is "eight hundred sixty-three million, one hundred forty-seven thousand, three hundred eighty-two".