384285555 has 12 divisors (see below), whose sum is σ = 666095040. Its totient is φ = 204952272.

The previous prime is 384285547. The next prime is 384285557. The reversal of 384285555 is 555582483.

It is not a de Polignac number, because 384285555 - 2³ = 384285547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 8539679 = 384285555 / (3 + 8 + 4 + 2 + 8 + 5 + 5 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 384285555.

It is not an unprimeable number, because it can be changed into a prime (384285557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4269795 + ... + 4269884.

It is an arithmetic number, because the mean of its divisors is an integer number (55507920).

Almost surely, 2^384285555 is an apocalyptic number.

384285555 is a deficient number, since it is larger than the sum of its proper divisors (281809485).

384285555 is a wasteful number, since it uses less digits than its factorization.

384285555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8539690 (or 8539687 counting only the distinct ones).

The product of its digits is 960000, while the sum is 45.

The square root of 384285555 is about 19603.2026720126. The cubic root of 384285555 is about 727.0283618910.

The spelling of 384285555 in words is "three hundred eighty-four million, two hundred eighty-five thousand, five hundred fifty-five".