384832665 has 48 divisors (see below), whose sum is σ = 795495168. Its totient is φ = 168271488.

The previous prime is 384832649. The next prime is 384832673. The reversal of 384832665 is 566238483.

It is a happy number.

384832665 is a `hidden beast` number, since 384 + 8 + 3 + 266 + 5 = 666.

It is not a de Polignac number, because 384832665 - 2⁴ = 384832649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 384832665.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 19314 + ... + 33803.

It is an arithmetic number, because the mean of its divisors is an integer number (16572816).

Almost surely, 2^384832665 is an apocalyptic number.

384832665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

384832665 is an abundant number, since it is smaller than the sum of its proper divisors (410662503).

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

384832665 is a wasteful number, since it uses less digits than its factorization.

384832665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53158 (or 53155 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 384832665 is about 19617.1523162767. The cubic root of 384832665 is about 727.3732233830.

The spelling of 384832665 in words is "three hundred eighty-four million, eight hundred thirty-two thousand, six hundred sixty-five".