43964741 has 2 divisors, whose sum is σ = 43964742. Its totient is φ = 43964740.

The previous prime is 43964729. The next prime is 43964743. The reversal of 43964741 is 14746934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23804641 + 20160100 = 4879^2 + 4490^2 .

It is a cyclic number.

It is not a de Polignac number, because 43964741 - 2⁶ = 43964677 is a prime.

Together with 43964743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 43964695 and 43964704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43964743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21982370 + 21982371.

It is an arithmetic number, because the mean of its divisors is an integer number (21982371).

Almost surely, 2^43964741 is an apocalyptic number.

It is an amenable number.

43964741 is a deficient number, since it is larger than the sum of its proper divisors (1).

43964741 is an equidigital number, since it uses as much as digits as its factorization.

43964741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 43964741 is about 6630.5913009324. The cubic root of 43964741 is about 352.9405079143.

The spelling of 43964741 in words is "forty-three million, nine hundred sixty-four thousand, seven hundred forty-one".