43968049 has 4 divisors (see below), whose sum is σ = 44108836. Its totient is φ = 43827264.

The previous prime is 43968011. The next prime is 43968079. The reversal of 43968049 is 94086934.

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 5130225 + 38837824 = 2265^2 + 6232^2 .

It is a cyclic number.

It is not a de Polignac number, because 43968049 - 2¹³ = 43959857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43967996 and 43968014.

It is not an unprimeable number, because it can be changed into a prime (43968079) 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, 69924 + ... + 70549.

It is an arithmetic number, because the mean of its divisors is an integer number (11027209).

Almost surely, 2^43968049 is an apocalyptic number.

It is an amenable number.

43968049 is a deficient number, since it is larger than the sum of its proper divisors (140787).

43968049 is a wasteful number, since it uses less digits than its factorization.

43968049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140786.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 43968049 is about 6630.8407460894. The cubic root of 43968049 is about 352.9493596888.

The spelling of 43968049 in words is "forty-three million, nine hundred sixty-eight thousand, forty-nine".