1798243 has 8 divisors (see below), whose sum is σ = 1920240. Its totient is φ = 1678080.

The previous prime is 1798241. The next prime is 1798253. The reversal of 1798243 is 3428971.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1798243 - 2¹ = 1798241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1798199 and 1798208.

It is not an unprimeable number, because it can be changed into a prime (1798241) 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 in 7 ways as a sum of consecutive naturals, for example, 1983 + ... + 2743.

It is an arithmetic number, because the mean of its divisors is an integer number (240030).

2^1798243 is an apocalyptic number.

1798243 is a deficient number, since it is larger than the sum of its proper divisors (121997).

1798243 is a wasteful number, since it uses less digits than its factorization.

1798243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917.

The product of its digits is 12096, while the sum is 34.

The square root of 1798243 is about 1340.9858313942. The cubic root of 1798243 is about 121.6044476602.

The spelling of 1798243 in words is "one million, seven hundred ninety-eight thousand, two hundred forty-three".