43961429 has 2 divisors, whose sum is σ = 43961430. Its totient is φ = 43961428.

The previous prime is 43961417. The next prime is 43961443. The reversal of 43961429 is 92416934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35724529 + 8236900 = 5977^2 + 2870^2 .

It is a cyclic number.

It is not a de Polignac number, because 43961429 - 2²⁰ = 42912853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43961392 and 43961401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43961329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21980714 + 21980715.

It is an arithmetic number, because the mean of its divisors is an integer number (21980715).

Almost surely, 2^43961429 is an apocalyptic number.

It is an amenable number.

43961429 is a deficient number, since it is larger than the sum of its proper divisors (1).

43961429 is an equidigital number, since it uses as much as digits as its factorization.

43961429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 43961429 is about 6630.3415447471. The cubic root of 43961429 is about 352.9316449915.

The spelling of 43961429 in words is "forty-three million, nine hundred sixty-one thousand, four hundred twenty-nine".