408766441 has 2 divisors, whose sum is σ = 408766442. Its totient is φ = 408766440.

The previous prime is 408766381. The next prime is 408766453. The reversal of 408766441 is 144667804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239011600 + 169754841 = 15460^2 + 13029^2 .

It is a cyclic number.

It is not a de Polignac number, because 408766441 - 2¹¹ = 408764393 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 408766394 and 408766403.

It is not a weakly prime, because it can be changed into another prime (408766541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204383220 + 204383221.

It is an arithmetic number, because the mean of its divisors is an integer number (204383221).

Almost surely, 2^408766441 is an apocalyptic number.

It is an amenable number.

408766441 is a deficient number, since it is larger than the sum of its proper divisors (1).

408766441 is an equidigital number, since it uses as much as digits as its factorization.

408766441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 408766441 is about 20217.9732169177. The cubic root of 408766441 is about 742.1500902416.

The spelling of 408766441 in words is "four hundred eight million, seven hundred sixty-six thousand, four hundred forty-one".