382811216 has 20 divisors (see below), whose sum is σ = 746425812. Its totient is φ = 190185216.

The previous prime is 382811167. The next prime is 382811243. The reversal of 382811216 is 612118283.

It can be written as a sum of positive squares in 2 ways, for example, as 257281600 + 125529616 = 16040^2 + 11204^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 73685 + ... + 78708.

Almost surely, 2^382811216 is an apocalyptic number.

It is an amenable number.

382811216 is a deficient number, since it is larger than the sum of its proper divisors (363614596).

382811216 is a wasteful number, since it uses less digits than its factorization.

382811216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152558 (or 152552 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 382811216 is about 19565.5619903953. The cubic root of 382811216 is about 726.0974048871.

Adding to 382811216 its reverse (612118283), we get a palindrome (994929499).

The spelling of 382811216 in words is "three hundred eighty-two million, eight hundred eleven thousand, two hundred sixteen".