1804801 has 2 divisors, whose sum is σ = 1804802. Its totient is φ = 1804800.

The previous prime is 1804799. The next prime is 1804813. The reversal of 1804801 is 1084081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1166400 + 638401 = 1080^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 1804801 - 2¹ = 1804799 is a prime.

Together with 1804799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1804841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902400 + 902401.

It is an arithmetic number, because the mean of its divisors is an integer number (902401).

2^1804801 is an apocalyptic number.

It is an amenable number.

1804801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1804801 is an equidigital number, since it uses as much as digits as its factorization.

1804801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1804801 is about 1343.4288220818. The cubic root of 1804801 is about 121.7520944620.

Adding to 1804801 its reverse (1084081), we get a palindrome (2888882).

The spelling of 1804801 in words is "one million, eight hundred four thousand, eight hundred one".