384965 has 16 divisors (see below), whose sum is σ = 559872. Its totient is φ = 248064.

The previous prime is 384961. The next prime is 384973. The reversal of 384965 is 569483.

It is not a de Polignac number, because 384965 - 2² = 384961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384961) 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 15 ways as a sum of consecutive naturals, for example, 272 + ... + 918.

It is an arithmetic number, because the mean of its divisors is an integer number (34992).

2³⁸⁴⁹⁶⁵ is an apocalyptic number.

384965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

384965 is a deficient number, since it is larger than the sum of its proper divisors (174907).

384965 is a wasteful number, since it uses less digits than its factorization.

384965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its digits is 25920, while the sum is 35.

The square root of 384965 is about 620.4554778548. The cubic root of 384965 is about 72.7456589404.

The spelling of 384965 in words is "three hundred eighty-four thousand, nine hundred sixty-five".