1841849 has 2 divisors, whose sum is σ = 1841850. Its totient is φ = 1841848.

The previous prime is 1841837. The next prime is 1841857. The reversal of 1841849 is 9481481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1841449 + 400 = 1357^2 + 20^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1841849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1841869) 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, 920924 + 920925.

It is an arithmetic number, because the mean of its divisors is an integer number (920925).

2^1841849 is an apocalyptic number.

It is an amenable number.

1841849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1841849 is an equidigital number, since it uses as much as digits as its factorization.

1841849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 35.

The square root of 1841849 is about 1357.1473759323. The cubic root of 1841849 is about 122.5795457256.

The spelling of 1841849 in words is "one million, eight hundred forty-one thousand, eight hundred forty-nine".