1841365 has 4 divisors (see below), whose sum is σ = 2209644. Its totient is φ = 1473088.

The previous prime is 1841339. The next prime is 1841377. The reversal of 1841365 is 5631481.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 933156 + 908209 = 966^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 1841365 - 2⁷ = 1841237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184132 + ... + 184141.

It is an arithmetic number, because the mean of its divisors is an integer number (552411).

2^1841365 is an apocalyptic number.

It is an amenable number.

1841365 is a deficient number, since it is larger than the sum of its proper divisors (368279).

1841365 is an equidigital number, since it uses as much as digits as its factorization.

1841365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368278.

The product of its digits is 2880, while the sum is 28.

The square root of 1841365 is about 1356.9690490206. The cubic root of 1841365 is about 122.5688076579.

The spelling of 1841365 in words is "one million, eight hundred forty-one thousand, three hundred sixty-five".