1828801 has 4 divisors (see below), whose sum is σ = 1969492. Its totient is φ = 1688112.

The previous prime is 1828793. The next prime is 1828829. The reversal of 1828801 is 1088281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 330625 + 1498176 = 575^2 + 1224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1828801 - 2³ = 1828793 is a prime.

It is a Duffinian number.

1828801 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1828801.

It is not an unprimeable number, because it can be changed into a prime (1828831) 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 in 3 ways as a sum of consecutive naturals, for example, 70326 + ... + 70351.

It is an arithmetic number, because the mean of its divisors is an integer number (492373).

2^1828801 is an apocalyptic number.

It is an amenable number.

1828801 is a deficient number, since it is larger than the sum of its proper divisors (140691).

1828801 is a wasteful number, since it uses less digits than its factorization.

1828801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140690.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 1828801 is about 1352.3316900820. The cubic root of 1828801 is about 122.2894007489.

The spelling of 1828801 in words is "one million, eight hundred twenty-eight thousand, eight hundred one".