43489441 has 2 divisors, whose sum is σ = 43489442. Its totient is φ = 43489440.

The previous prime is 43489409. The next prime is 43489447. The reversal of 43489441 is 14498434.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39955041 + 3534400 = 6321^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 43489441 - 2⁵ = 43489409 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43489441.

It is not a weakly prime, because it can be changed into another prime (43489447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21744720 + 21744721.

It is an arithmetic number, because the mean of its divisors is an integer number (21744721).

Almost surely, 2^43489441 is an apocalyptic number.

It is an amenable number.

43489441 is a deficient number, since it is larger than the sum of its proper divisors (1).

43489441 is an equidigital number, since it uses as much as digits as its factorization.

43489441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 37.

The square root of 43489441 is about 6594.6524548304. The cubic root of 43489441 is about 351.6640243981.

The spelling of 43489441 in words is "forty-three million, four hundred eighty-nine thousand, four hundred forty-one".