43966141 has 2 divisors, whose sum is σ = 43966142. Its totient is φ = 43966140.

The previous prime is 43966127. The next prime is 43966147. The reversal of 43966141 is 14166934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43943641 + 22500 = 6629^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 43966141 - 2¹¹ = 43964093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43966097 and 43966106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43966147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21983070 + 21983071.

It is an arithmetic number, because the mean of its divisors is an integer number (21983071).

Almost surely, 2^43966141 is an apocalyptic number.

It is an amenable number.

43966141 is a deficient number, since it is larger than the sum of its proper divisors (1).

43966141 is an equidigital number, since it uses as much as digits as its factorization.

43966141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 43966141 is about 6630.6968713703. The cubic root of 43966141 is about 352.9442541850.

The spelling of 43966141 in words is "forty-three million, nine hundred sixty-six thousand, one hundred forty-one".