64385 has 8 divisors (see below), whose sum is σ = 78720. Its totient is φ = 50544.

The previous prime is 64381. The next prime is 64399. The reversal of 64385 is 58346.

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 64385 - 2² = 64381 is a prime.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64385.

It is not an unprimeable number, because it can be changed into a prime (64381) 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, 314 + ... + 476.

It is an arithmetic number, because the mean of its divisors is an integer number (9840).

2⁶⁴³⁸⁵ is an apocalyptic number.

It is an amenable number.

64385 is a deficient number, since it is larger than the sum of its proper divisors (14335).

64385 is a wasteful number, since it uses less digits than its factorization.

64385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247.

The product of its digits is 2880, while the sum is 26.

The square root of 64385 is about 253.7419949476. The cubic root of 64385 is about 40.0800480343.

The spelling of 64385 in words is "sixty-four thousand, three hundred eighty-five".