1726441 has 2 divisors, whose sum is σ = 1726442. Its totient is φ = 1726440.

The previous prime is 1726433. The next prime is 1726447. The reversal of 1726441 is 1446271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1390041 + 336400 = 1179^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1726441 - 2³ = 1726433 is a prime.

1726441 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1726447) 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 as a sum of consecutive naturals, namely, 863220 + 863221.

It is an arithmetic number, because the mean of its divisors is an integer number (863221).

2^1726441 is an apocalyptic number.

It is an amenable number.

1726441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1726441 is an equidigital number, since it uses as much as digits as its factorization.

1726441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 1726441 is about 1313.9410184632. The cubic root of 1726441 is about 119.9639011788.

The spelling of 1726441 in words is "one million, seven hundred twenty-six thousand, four hundred forty-one".