408892241 has 2 divisors, whose sum is σ = 408892242. Its totient is φ = 408892240.

The previous prime is 408892219. The next prime is 408892249. The reversal of 408892241 is 142298804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408646225 + 246016 = 20215^2 + 496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408892241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 408892195 and 408892204.

It is not a weakly prime, because it can be changed into another prime (408892249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204446120 + 204446121.

It is an arithmetic number, because the mean of its divisors is an integer number (204446121).

Almost surely, 2^408892241 is an apocalyptic number.

It is an amenable number.

408892241 is a deficient number, since it is larger than the sum of its proper divisors (1).

408892241 is an equidigital number, since it uses as much as digits as its factorization.

408892241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 408892241 is about 20221.0840708405. The cubic root of 408892241 is about 742.2262159506.

The spelling of 408892241 in words is "four hundred eight million, eight hundred ninety-two thousand, two hundred forty-one".