1798113 has 4 divisors (see below), whose sum is σ = 2397488. Its totient is φ = 1198740.

The previous prime is 1798109. The next prime is 1798123. The reversal of 1798113 is 3118971.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3118971 = 3 ⋅1039657.

It is not a de Polignac number, because 1798113 - 2² = 1798109 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1798123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299683 + ... + 299688.

It is an arithmetic number, because the mean of its divisors is an integer number (599372).

2^1798113 is an apocalyptic number.

It is an amenable number.

1798113 is a deficient number, since it is larger than the sum of its proper divisors (599375).

1798113 is an equidigital number, since it uses as much as digits as its factorization.

1798113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599374.

The product of its digits is 1512, while the sum is 30.

The square root of 1798113 is about 1340.9373587159. The cubic root of 1798113 is about 121.6015172147.

The spelling of 1798113 in words is "one million, seven hundred ninety-eight thousand, one hundred thirteen".