64395 has 24 divisors (see below), whose sum is σ = 117936. Its totient is φ = 33696.

The previous prime is 64381. The next prime is 64399. The reversal of 64395 is 59346.

It is a happy number.

It is not a de Polignac number, because 64395 - 2¹¹ = 62347 is a prime.

It is a super-3 number, since 3×64395³ = 801083335289625, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (64399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1189 + ... + 1241.

It is an arithmetic number, because the mean of its divisors is an integer number (4914).

2⁶⁴³⁹⁵ is an apocalyptic number.

64395 is a deficient number, since it is larger than the sum of its proper divisors (53541).

64395 is an equidigital number, since it uses as much as digits as its factorization.

64395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 61 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 64395 is about 253.7616992377. The cubic root of 64395 is about 40.0821229468.

The spelling of 64395 in words is "sixty-four thousand, three hundred ninety-five".