44879861 has 4 divisors (see below), whose sum is σ = 48332172. Its totient is φ = 41427552.

The previous prime is 44879851. The next prime is 44879869. The reversal of 44879861 is 16897844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5428900 + 39450961 = 2330^2 + 6281^2 .

It is a cyclic number.

It is not a de Polignac number, because 44879861 - 2⁶ = 44879797 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 (44879869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726136 + ... + 1726161.

It is an arithmetic number, because the mean of its divisors is an integer number (12083043).

Almost surely, 2^44879861 is an apocalyptic number.

It is an amenable number.

44879861 is a deficient number, since it is larger than the sum of its proper divisors (3452311).

44879861 is a wasteful number, since it uses less digits than its factorization.

44879861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452310.

The product of its digits is 387072, while the sum is 47.

The square root of 44879861 is about 6699.2433154797. The cubic root of 44879861 is about 355.3725138185.

The spelling of 44879861 in words is "forty-four million, eight hundred seventy-nine thousand, eight hundred sixty-one".