43945441 has 8 divisors (see below), whose sum is σ = 45476640. Its totient is φ = 42437472.

The previous prime is 43945439. The next prime is 43945453. The reversal of 43945441 is 14454934.

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 43945441 - 2¹ = 43945439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43945397 and 43945406.

It is not an unprimeable number, because it can be changed into a prime (43943441) 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, 1915 + ... + 9568.

It is an arithmetic number, because the mean of its divisors is an integer number (5684580).

Almost surely, 2^43945441 is an apocalyptic number.

It is an amenable number.

43945441 is a deficient number, since it is larger than the sum of its proper divisors (1531199).

43945441 is a wasteful number, since it uses less digits than its factorization.

43945441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11615.

The product of its digits is 34560, while the sum is 34.

The square root of 43945441 is about 6629.1357656937. The cubic root of 43945441 is about 352.8888547892. Note that the first 4 decimals are identical.

The spelling of 43945441 in words is "forty-three million, nine hundred forty-five thousand, four hundred forty-one".