1408817 has 2 divisors, whose sum is σ = 1408818. Its totient is φ = 1408816.

The previous prime is 1408789. The next prime is 1408829. The reversal of 1408817 is 7188041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1343281 + 65536 = 1159^2 + 256^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408817 - 2¹⁰ = 1407793 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1408817.

It is not a weakly prime, because it can be changed into another prime (1408867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704408 + 704409.

It is an arithmetic number, because the mean of its divisors is an integer number (704409).

2^1408817 is an apocalyptic number.

It is an amenable number.

1408817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408817 is an equidigital number, since it uses as much as digits as its factorization.

1408817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 1408817 is about 1186.9359713144. The cubic root of 1408817 is about 112.1032476911.

The spelling of 1408817 in words is "one million, four hundred eight thousand, eight hundred seventeen".