2118345 has 8 divisors (see below), whose sum is σ = 3389376.
Its totient is φ = 1129776.
The previous prime is 2118343. The next prime is 2118349. The reversal of 2118345 is 5438112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2118345 - 21 = 2118343 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2118343) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70597 + ... + 70626.
It is an arithmetic number, because the mean of its divisors is an integer number (423672).
22118345 is an apocalyptic number.
It is an amenable number.
2118345 is a deficient number, since it is larger than the sum of its proper divisors (1271031).
2118345 is a wasteful number, since it uses less digits than its factorization.
2118345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141231.
The product of its digits is 960, while the sum is 24.
The square root of 2118345 is about 1455.4535375614.
The cubic root of 2118345 is about 128.4297283675.
The spelling of 2118345 in words is "two million, one hundred eighteen thousand, three hundred forty-five".