44861 has 4 divisors (see below), whose sum is σ = 45372. Its totient is φ = 44352.

The previous prime is 44851. The next prime is 44867. The reversal of 44861 is 16844.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12100 + 32761 = 110^2 + 181^2 .

It is a cyclic number.

It is not a de Polignac number, because 44861 - 2⁶ = 44797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44867) 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 3 ways as a sum of consecutive naturals, for example, 86 + ... + 311.

It is an arithmetic number, because the mean of its divisors is an integer number (11343).

2⁴⁴⁸⁶¹ is an apocalyptic number.

It is an amenable number.

44861 is a deficient number, since it is larger than the sum of its proper divisors (511).

44861 is a wasteful number, since it uses less digits than its factorization.

44861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510.

The product of its digits is 768, while the sum is 23.

The square root of 44861 is about 211.8041548223. The cubic root of 44861 is about 35.5322724448.

The spelling of 44861 in words is "forty-four thousand, eight hundred sixty-one".