383812111 has 8 divisors (see below), whose sum is σ = 416301984. Its totient is φ = 352423680.

The previous prime is 383812081. The next prime is 383812123. The reversal of 383812111 is 111218383.

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 383812111 - 2⁷ = 383811983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 383812111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383812171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274635 + ... + 276028.

It is an arithmetic number, because the mean of its divisors is an integer number (52037748).

Almost surely, 2^383812111 is an apocalyptic number.

383812111 is a deficient number, since it is larger than the sum of its proper divisors (32489873).

383812111 is a wasteful number, since it uses less digits than its factorization.

383812111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550721.

The product of its digits is 1152, while the sum is 28.

The square root of 383812111 is about 19591.1232705019. The cubic root of 383812111 is about 726.7296702333.

The spelling of 383812111 in words is "three hundred eighty-three million, eight hundred twelve thousand, one hundred eleven".