382861618 has 8 divisors (see below), whose sum is σ = 574387740. Its totient is φ = 191399040.

The previous prime is 382861579. The next prime is 382861643. The reversal of 382861618 is 816168283.

It can be written as a sum of positive squares in 2 ways, for example, as 326055249 + 56806369 = 18057^2 + 7537^2 .

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

It is a super-3 number, since 3×382861618³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4318 + ... + 28006.

Almost surely, 2^382861618 is an apocalyptic number.

382861618 is a deficient number, since it is larger than the sum of its proper divisors (191526122).

382861618 is a wasteful number, since it uses less digits than its factorization.

382861618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31772.

The product of its digits is 110592, while the sum is 43.

The square root of 382861618 is about 19566.8499764270. The cubic root of 382861618 is about 726.1292701633.

The spelling of 382861618 in words is "three hundred eighty-two million, eight hundred sixty-one thousand, six hundred eighteen".