1859841 has 10 divisors (see below), whose sum is σ = 2778402. Its totient is φ = 1239840.

The previous prime is 1859831. The next prime is 1859843. The reversal of 1859841 is 1489581.

It can be written as a sum of positive squares in only one way, i.e., 1703025 + 156816 = 1305^2 + 396^2 .

It is not a de Polignac number, because 1859841 - 2⁹ = 1859329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1859796 and 1859805.

It is not an unprimeable number, because it can be changed into a prime (1859843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11400 + ... + 11561.

2^1859841 is an apocalyptic number.

It is an amenable number.

1859841 is a deficient number, since it is larger than the sum of its proper divisors (918561).

1859841 is an equidigital number, since it uses as much as digits as its factorization.

1859841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22973 (or 22964 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1859841 is about 1363.7598762246. The cubic root of 1859841 is about 122.9773902522.

The spelling of 1859841 in words is "one million, eight hundred fifty-nine thousand, eight hundred forty-one".