382812111 has 24 divisors (see below), whose sum is σ = 604955520. Its totient is φ = 231339600.

The previous prime is 382812091. The next prime is 382812127. The reversal of 382812111 is 111218283.

It is not a de Polignac number, because 382812111 - 2⁶ = 382812047 is a prime.

It is a super-2 number, since 2×382812111² = 293090224656552642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382812611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30156 + ... + 40926.

It is an arithmetic number, because the mean of its divisors is an integer number (25206480).

Almost surely, 2^382812111 is an apocalyptic number.

382812111 is a deficient number, since it is larger than the sum of its proper divisors (222143409).

382812111 is a wasteful number, since it uses less digits than its factorization.

382812111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11147 (or 11144 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 382812111 is about 19565.5848622013. The cubic root of 382812111 is about 726.0979707506.

The spelling of 382812111 in words is "three hundred eighty-two million, eight hundred twelve thousand, one hundred eleven".