1841089 has 2 divisors, whose sum is σ = 1841090. Its totient is φ = 1841088.

The previous prime is 1841087. The next prime is 1841107. The reversal of 1841089 is 9801481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1481089 + 360000 = 1217^2 + 600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1841089 - 2¹ = 1841087 is a prime.

Together with 1841087, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1841089.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1841087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920544 + 920545.

It is an arithmetic number, because the mean of its divisors is an integer number (920545).

2^1841089 is an apocalyptic number.

It is an amenable number.

1841089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1841089 is an equidigital number, since it uses as much as digits as its factorization.

1841089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1841089 is about 1356.8673479747. The cubic root of 1841089 is about 122.5626834545.

The spelling of 1841089 in words is "one million, eight hundred forty-one thousand, eighty-nine".