43696449 has 8 divisors (see below), whose sum is σ = 64735520. Its totient is φ = 29130948.

The previous prime is 43696427. The next prime is 43696459. The reversal of 43696449 is 94469634.

It is a happy number.

It is not a de Polignac number, because 43696449 - 2¹¹ = 43694401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43696459) 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, 809167 + ... + 809220.

It is an arithmetic number, because the mean of its divisors is an integer number (8091940).

Almost surely, 2^43696449 is an apocalyptic number.

It is an amenable number.

43696449 is a deficient number, since it is larger than the sum of its proper divisors (21039071).

43696449 is a wasteful number, since it uses less digits than its factorization.

43696449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618396 (or 1618390 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 43696449 is about 6610.3289630698. The cubic root of 43696449 is about 352.2211103262.

The spelling of 43696449 in words is "forty-three million, six hundred ninety-six thousand, four hundred forty-nine".