43988341 has 2 divisors, whose sum is σ = 43988342. Its totient is φ = 43988340.

The previous prime is 43988317. The next prime is 43988407. The reversal of 43988341 is 14388934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38564100 + 5424241 = 6210^2 + 2329^2 .

It is a cyclic number.

It is not a de Polignac number, because 43988341 - 2¹⁵ = 43955573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43988294 and 43988303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43988141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21994170 + 21994171.

It is an arithmetic number, because the mean of its divisors is an integer number (21994171).

Almost surely, 2^43988341 is an apocalyptic number.

It is an amenable number.

43988341 is a deficient number, since it is larger than the sum of its proper divisors (1).

43988341 is an equidigital number, since it uses as much as digits as its factorization.

43988341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 43988341 is about 6632.3706922940. The cubic root of 43988341 is about 353.0036487089.

The spelling of 43988341 in words is "forty-three million, nine hundred eighty-eight thousand, three hundred forty-one".