382271813 has 8 divisors (see below), whose sum is σ = 476598720. Its totient is φ = 297874080.

The previous prime is 382271777. The next prime is 382271833. The reversal of 382271813 is 318172283.

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

It is not a de Polignac number, because 382271813 - 2⁶ = 382271749 is a prime.

It is a super-2 number, since 2×382271813² = 292263478028613938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382271833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2482208 + ... + 2482361.

It is an arithmetic number, because the mean of its divisors is an integer number (59574840).

Almost surely, 2^382271813 is an apocalyptic number.

It is an amenable number.

382271813 is a deficient number, since it is larger than the sum of its proper divisors (94326907).

382271813 is a wasteful number, since it uses less digits than its factorization.

382271813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964587.

The product of its digits is 16128, while the sum is 35.

The square root of 382271813 is about 19551.7726306338. The cubic root of 382271813 is about 725.7562069258.

The spelling of 382271813 in words is "three hundred eighty-two million, two hundred seventy-one thousand, eight hundred thirteen".