2366865 has 24 divisors (see below), whose sum is σ = 4141800. Its totient is φ = 1250304.

The previous prime is 2366851. The next prime is 2366867. The reversal of 2366865 is 5686632.

It can be written as a sum of positive squares in 4 ways, for example, as 7569 + 2359296 = 87^2 + 1536^2 .

It is not a de Polignac number, because 2366865 - 2⁶ = 2366801 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2366867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6529 + ... + 6881.

It is an arithmetic number, because the mean of its divisors is an integer number (172575).

2^2366865 is an apocalyptic number.

It is an amenable number.

2366865 is a deficient number, since it is larger than the sum of its proper divisors (1774935).

2366865 is a wasteful number, since it uses less digits than its factorization.

2366865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 510 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2366865 is about 1538.4618942307. The cubic root of 2366865 is about 133.2675752132.

The spelling of 2366865 in words is "two million, three hundred sixty-six thousand, eight hundred sixty-five".