1798801 has 2 divisors, whose sum is σ = 1798802. Its totient is φ = 1798800.

The previous prime is 1798781. The next prime is 1798813. The reversal of 1798801 is 1088971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 358801 = 1200^2 + 599^2 .

It is a cyclic number.

It is not a de Polignac number, because 1798801 - 2⁹ = 1798289 is a prime.

1798801 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1798861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 899400 + 899401.

It is an arithmetic number, because the mean of its divisors is an integer number (899401).

2^1798801 is an apocalyptic number.

It is an amenable number.

1798801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1798801 is an equidigital number, since it uses as much as digits as its factorization.

1798801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 1798801 is about 1341.1938711462. The cubic root of 1798801 is about 121.6170244299.

The spelling of 1798801 in words is "one million, seven hundred ninety-eight thousand, eight hundred one".