63844 has 12 divisors (see below), whose sum is σ = 121968. Its totient is φ = 29000.

The previous prime is 63841. The next prime is 63853. The reversal of 63844 is 44836.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (63841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682 + ... + 769.

It is an arithmetic number, because the mean of its divisors is an integer number (10164).

2⁶³⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

63844 is a deficient number, since it is larger than the sum of its proper divisors (58124).

63844 is a wasteful number, since it uses less digits than its factorization.

63844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1464 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 63844 is about 252.6737026285. The cubic root of 63844 is about 39.9674735579.

The spelling of 63844 in words is "sixty-three thousand, eight hundred forty-four".