382630505 has 8 divisors (see below), whose sum is σ = 471566472. Its totient is φ = 297831168.

The previous prime is 382630483. The next prime is 382630511. The reversal of 382630505 is 505036283.

It can be written as a sum of positive squares in 4 ways, for example, as 178169104 + 204461401 = 13348^2 + 14299^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 382630505 - 2¹⁸ = 382368361 is a prime.

It is a super-2 number, since 2×382630505² = 292812206713110050, which contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1033952 + ... + 1034321.

It is an arithmetic number, because the mean of its divisors is an integer number (58945809).

Almost surely, 2^382630505 is an apocalyptic number.

It is an amenable number.

382630505 is a deficient number, since it is larger than the sum of its proper divisors (88935967).

382630505 is a wasteful number, since it uses less digits than its factorization.

382630505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068315.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 382630505 is about 19560.9433565971. The cubic root of 382630505 is about 725.9831323379.

Adding to 382630505 its reverse (505036283), we get a palindrome (887666788).

The spelling of 382630505 in words is "three hundred eighty-two million, six hundred thirty thousand, five hundred five".