383966118 has 12 divisors (see below), whose sum is σ = 831926628. Its totient is φ = 127988700.

The previous prime is 383966113. The next prime is 383966161. The reversal of 383966118 is 811669383.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383966113) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 10665708 + ... + 10665743.

It is an arithmetic number, because the mean of its divisors is an integer number (69327219).

Almost surely, 2^383966118 is an apocalyptic number.

383966118 is an abundant number, since it is smaller than the sum of its proper divisors (447960510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

383966118 is a wasteful number, since it uses less digits than its factorization.

383966118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21331459 (or 21331456 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 383966118 is about 19595.0534064085. The cubic root of 383966118 is about 726.8268588374.

The spelling of 383966118 in words is "three hundred eighty-three million, nine hundred sixty-six thousand, one hundred eighteen".