1726841 has 2 divisors, whose sum is σ = 1726842. Its totient is φ = 1726840.

The previous prime is 1726811. The next prime is 1726859. The reversal of 1726841 is 1486271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1201216 + 525625 = 1096^2 + 725^2 .

It is an emirp because it is prime and its reverse (1486271) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1726841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1726811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863420 + 863421.

It is an arithmetic number, because the mean of its divisors is an integer number (863421).

2^1726841 is an apocalyptic number.

It is an amenable number.

1726841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1726841 is an equidigital number, since it uses as much as digits as its factorization.

1726841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 1726841 is about 1314.0932234815. The cubic root of 1726841 is about 119.9731652959.

The spelling of 1726841 in words is "one million, seven hundred twenty-six thousand, eight hundred forty-one".