43996849 has 8 divisors (see below), whose sum is σ = 47467112. Its totient is φ = 40538880.

The previous prime is 43996847. The next prime is 43996853. The reversal of 43996849 is 94869934.

It can be written as a sum of positive squares in 4 ways, for example, as 3356224 + 40640625 = 1832^2 + 6375^2 .

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 43996849 - 2¹ = 43996847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43996796 and 43996805.

It is not an unprimeable number, because it can be changed into a prime (43996847) 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, 5209 + ... + 10729.

It is an arithmetic number, because the mean of its divisors is an integer number (5933389).

Almost surely, 2^43996849 is an apocalyptic number.

It is an amenable number.

43996849 is a deficient number, since it is larger than the sum of its proper divisors (3470263).

43996849 is a wasteful number, since it uses less digits than its factorization.

43996849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6147.

The product of its digits is 1679616, while the sum is 52.

The square root of 43996849 is about 6633.0120608966. The cubic root of 43996849 is about 353.0264059620.

The spelling of 43996849 in words is "forty-three million, nine hundred ninety-six thousand, eight hundred forty-nine".