1791441 has 6 divisors (see below), whose sum is σ = 2587650. Its totient is φ = 1194288.

The previous prime is 1791431. The next prime is 1791451. The reversal of 1791441 is 1441971.

It is an interprime number because it is at equal distance from previous prime (1791431) and next prime (1791451).

It can be written as a sum of positive squares in only one way, i.e., 1782225 + 9216 = 1335^2 + 96^2 .

It is not a de Polignac number, because 1791441 - 2¹⁰ = 1790417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1791421) 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, 99516 + ... + 99533.

It is an arithmetic number, because the mean of its divisors is an integer number (431275).

2^1791441 is an apocalyptic number.

It is an amenable number.

1791441 is a deficient number, since it is larger than the sum of its proper divisors (796209).

1791441 is a wasteful number, since it uses less digits than its factorization.

1791441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199055 (or 199052 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 1791441 is about 1338.4472346716. The cubic root of 1791441 is about 121.4509277012.

It can be divided in two parts, 17914 and 41, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 1791441 in words is "one million, seven hundred ninety-one thousand, four hundred forty-one".