1798741 has 6 divisors (see below), whose sum is σ = 2092470. Its totient is φ = 1541736.

The previous prime is 1798739. The next prime is 1798747. The reversal of 1798741 is 1478971.

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 298116 = 1225^2 + 546^2 .

It is not a de Polignac number, because 1798741 - 2¹ = 1798739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1798741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18306 + ... + 18403.

It is an arithmetic number, because the mean of its divisors is an integer number (348745).

2^1798741 is an apocalyptic number.

It is an amenable number.

1798741 is a deficient number, since it is larger than the sum of its proper divisors (293729).

1798741 is an equidigital number, since it uses as much as digits as its factorization.

1798741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36723 (or 36716 counting only the distinct ones).

The product of its digits is 14112, while the sum is 37.

The square root of 1798741 is about 1341.1715028288. The cubic root of 1798741 is about 121.6156722139.

The spelling of 1798741 in words is "one million, seven hundred ninety-eight thousand, seven hundred forty-one".