383784055 has 8 divisors (see below), whose sum is σ = 463114800. Its totient is φ = 305311296.

The previous prime is 383784053. The next prime is 383784083. The reversal of 383784055 is 550487383.

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 383784055 - 2¹ = 383784053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383784053) 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, 213510 + ... + 215299.

It is an arithmetic number, because the mean of its divisors is an integer number (57889350).

Almost surely, 2^383784055 is an apocalyptic number.

383784055 is a deficient number, since it is larger than the sum of its proper divisors (79330745).

383784055 is a wasteful number, since it uses less digits than its factorization.

383784055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428993.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 383784055 is about 19590.4072188406. The cubic root of 383784055 is about 726.7119622421.

The spelling of 383784055 in words is "three hundred eighty-three million, seven hundred eighty-four thousand, fifty-five".