2118367 has 4 divisors (see below), whose sum is σ = 2229880. Its totient is φ = 2006856.

The previous prime is 2118359. The next prime is 2118371. The reversal of 2118367 is 7638112.

2118367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2118367 - 2³ = 2118359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55728 + ... + 55765.

It is an arithmetic number, because the mean of its divisors is an integer number (557470).

2^2118367 is an apocalyptic number.

2118367 is a deficient number, since it is larger than the sum of its proper divisors (111513).

2118367 is a wasteful number, since it uses less digits than its factorization.

2118367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111512.

The product of its digits is 2016, while the sum is 28.

The square root of 2118367 is about 1455.4610953234. The cubic root of 2118367 is about 128.4301729668.

It can be divided in two parts, 2118 and 367, that added together give a triangular number (2485 = T₇₀).

The spelling of 2118367 in words is "two million, one hundred eighteen thousand, three hundred sixty-seven".