1845941 has 2 divisors, whose sum is σ = 1845942. Its totient is φ = 1845940.

The previous prime is 1845931. The next prime is 1845959. The reversal of 1845941 is 1495481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1811716 + 34225 = 1346^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1845941 - 2¹⁰ = 1844917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1845898 and 1845907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1845901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 922970 + 922971.

It is an arithmetic number, because the mean of its divisors is an integer number (922971).

2^1845941 is an apocalyptic number.

It is an amenable number.

1845941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1845941 is an equidigital number, since it uses as much as digits as its factorization.

1845941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 32.

The square root of 1845941 is about 1358.6541134520. The cubic root of 1845941 is about 122.6702561108.

The spelling of 1845941 in words is "one million, eight hundred forty-five thousand, nine hundred forty-one".