383918 has 8 divisors (see below), whose sum is σ = 580440. Its totient is φ = 190440.

The previous prime is 383917. The next prime is 383923. The reversal of 383918 is 819383.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 383918.

It is not an unprimeable number, because it can be changed into a prime (383917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 968.

It is an arithmetic number, because the mean of its divisors is an integer number (72555).

2³⁸³⁹¹⁸ is an apocalyptic number.

383918 is a deficient number, since it is larger than the sum of its proper divisors (196522).

383918 is a wasteful number, since it uses less digits than its factorization.

383918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its digits is 5184, while the sum is 32.

The square root of 383918 is about 619.6111683951. The cubic root of 383918 is about 72.6796495988.

The spelling of 383918 in words is "three hundred eighty-three thousand, nine hundred eighteen".