43366441 has 2 divisors, whose sum is σ = 43366442. Its totient is φ = 43366440.

The previous prime is 43366409. The next prime is 43366447. The reversal of 43366441 is 14466334.

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., 38700841 + 4665600 = 6221^2 + 2160^2 .

It is a cyclic number.

It is not a de Polignac number, because 43366441 - 2⁵ = 43366409 is a prime.

It is not a weakly prime, because it can be changed into another prime (43366447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21683220 + 21683221.

It is an arithmetic number, because the mean of its divisors is an integer number (21683221).

Almost surely, 2^43366441 is an apocalyptic number.

It is an amenable number.

43366441 is a deficient number, since it is larger than the sum of its proper divisors (1).

43366441 is an equidigital number, since it uses as much as digits as its factorization.

43366441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The square root of 43366441 is about 6585.3201137075. The cubic root of 43366441 is about 351.3321774266.

The spelling of 43366441 in words is "forty-three million, three hundred sixty-six thousand, four hundred forty-one".