408362849 has 2 divisors, whose sum is σ = 408362850. Its totient is φ = 408362848.

The previous prime is 408362807. The next prime is 408362863. The reversal of 408362849 is 948263804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408322849 + 40000 = 20207^2 + 200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408362849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (408362249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204181424 + 204181425.

It is an arithmetic number, because the mean of its divisors is an integer number (204181425).

Almost surely, 2^408362849 is an apocalyptic number.

It is an amenable number.

408362849 is a deficient number, since it is larger than the sum of its proper divisors (1).

408362849 is an equidigital number, since it uses as much as digits as its factorization.

408362849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 408362849 is about 20207.9897317868. The cubic root of 408362849 is about 741.9057579927.

The spelling of 408362849 in words is "four hundred eight million, three hundred sixty-two thousand, eight hundred forty-nine".