384765 has 16 divisors (see below), whose sum is σ = 623808. Its totient is φ = 202496.

The previous prime is 384757. The next prime is 384773. The reversal of 384765 is 567483.

It is an interprime number because it is at equal distance from previous prime (384757) and next prime (384773).

It is not a de Polignac number, because 384765 - 2³ = 384757 is a prime.

It is an Ulam number.

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 384765.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1582 + ... + 1808.

It is an arithmetic number, because the mean of its divisors is an integer number (38988).

2³⁸⁴⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

384765 is a deficient number, since it is larger than the sum of its proper divisors (239043).

384765 is a wasteful number, since it uses less digits than its factorization.

384765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its digits is 20160, while the sum is 33.

The square root of 384765 is about 620.2942849970. The cubic root of 384765 is about 72.7330589620.

The spelling of 384765 in words is "three hundred eighty-four thousand, seven hundred sixty-five".