2118365 has 8 divisors (see below), whose sum is σ = 2550528. Its totient is φ = 1689040.

The previous prime is 2118359. The next prime is 2118371. The reversal of 2118365 is 5638112.

It is an interprime number because it is at equal distance from previous prime (2118359) and next prime (2118371).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2118365 - 2⁴ = 2118349 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 7 ways as a sum of consecutive naturals, for example, 1664 + ... + 2646.

It is an arithmetic number, because the mean of its divisors is an integer number (318816).

2^2118365 is an apocalyptic number.

It is an amenable number.

2118365 is a deficient number, since it is larger than the sum of its proper divisors (432163).

2118365 is an equidigital number, since it uses as much as digits as its factorization.

2118365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419.

The product of its digits is 1440, while the sum is 26.

The square root of 2118365 is about 1455.4604082558. The cubic root of 2118365 is about 128.4301325488.

The spelling of 2118365 in words is "two million, one hundred eighteen thousand, three hundred sixty-five".