43961443 has 2 divisors, whose sum is σ = 43961444. Its totient is φ = 43961442.

The previous prime is 43961429. The next prime is 43961453. The reversal of 43961443 is 34416934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43961443 - 2²⁵ = 10407011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43961399 and 43961408.

It is not a weakly prime, because it can be changed into another prime (43961453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21980721 + 21980722.

It is an arithmetic number, because the mean of its divisors is an integer number (21980722).

Almost surely, 2^43961443 is an apocalyptic number.

43961443 is a deficient number, since it is larger than the sum of its proper divisors (1).

43961443 is an equidigital number, since it uses as much as digits as its factorization.

43961443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 43961443 is about 6630.3426004996. The cubic root of 43961443 is about 352.9316824565.

The spelling of 43961443 in words is "forty-three million, nine hundred sixty-one thousand, four hundred forty-three".