1836313 has 4 divisors (see below), whose sum is σ = 1842100. Its totient is φ = 1830528.

The previous prime is 1836301. The next prime is 1836319. The reversal of 1836313 is 3136381.

It is a happy number.

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 328329 + 1507984 = 573^2 + 1228^2 .

It is a cyclic number.

It is not a de Polignac number, because 1836313 - 2¹³ = 1828121 is a prime.

It is a Duffinian number.

1836313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1836319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2388 + ... + 3061.

It is an arithmetic number, because the mean of its divisors is an integer number (460525).

2^1836313 is an apocalyptic number.

It is an amenable number.

1836313 is a deficient number, since it is larger than the sum of its proper divisors (5787).

1836313 is an equidigital number, since it uses as much as digits as its factorization.

1836313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786.

The product of its digits is 1296, while the sum is 25.

The square root of 1836313 is about 1355.1062688955. The cubic root of 1836313 is about 122.4566110393.

The spelling of 1836313 in words is "one million, eight hundred thirty-six thousand, three hundred thirteen".