1798983 has 8 divisors (see below), whose sum is σ = 2665200. Its totient is φ = 1199304.

The previous prime is 1798967. The next prime is 1798987. The reversal of 1798983 is 3898971.

It is not a de Polignac number, because 1798983 - 2⁴ = 1798967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798987) 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 7 ways as a sum of consecutive naturals, for example, 33288 + ... + 33341.

It is an arithmetic number, because the mean of its divisors is an integer number (333150).

2^1798983 is an apocalyptic number.

1798983 is a deficient number, since it is larger than the sum of its proper divisors (866217).

1798983 is an equidigital number, since it uses as much as digits as its factorization.

1798983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66638 (or 66632 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 1798983 is about 1341.2617194269. The cubic root of 1798983 is about 121.6211259679.

The spelling of 1798983 in words is "one million, seven hundred ninety-eight thousand, nine hundred eighty-three".