365841 has 12 divisors (see below), whose sum is σ = 604032. Its totient is φ = 209016.

The previous prime is 365839. The next prime is 365851. The reversal of 365841 is 148563.

365841 is a `hidden beast` number, since 3 + 658 + 4 + 1 = 666.

It is not a de Polignac number, because 365841 - 2¹ = 365839 is a prime.

It is a Curzon number.

365841 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 365841.

It is not an unprimeable number, because it can be changed into a prime (365851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2841 + ... + 2966.

It is an arithmetic number, because the mean of its divisors is an integer number (50336).

2³⁶⁵⁸⁴¹ is an apocalyptic number.

It is an amenable number.

365841 is a deficient number, since it is larger than the sum of its proper divisors (238191).

365841 is a wasteful number, since it uses less digits than its factorization.

365841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820 (or 5817 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 365841 is about 604.8479147687. The cubic root of 365841 is about 71.5205411502.

It can be divided in two parts, 36584 and 1, that added together give a triangular number (36585 = T₂₇₀).

The spelling of 365841 in words is "three hundred sixty-five thousand, eight hundred forty-one".