918341859 has 4 divisors (see below), whose sum is σ = 1224455816. Its totient is φ = 612227904.

The previous prime is 918341857. The next prime is 918341863. The reversal of 918341859 is 958143819.

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

It is not a de Polignac number, because 918341859 - 2¹ = 918341857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918341857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153056974 + ... + 153056979.

It is an arithmetic number, because the mean of its divisors is an integer number (306113954).

Almost surely, 2^918341859 is an apocalyptic number.

918341859 is a deficient number, since it is larger than the sum of its proper divisors (306113957).

918341859 is a wasteful number, since it uses less digits than its factorization.

918341859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306113956.

The product of its digits is 311040, while the sum is 48.

The square root of 918341859 is about 30304.1558041137. The cubic root of 918341859 is about 972.0041670722.

Subtracting from 918341859 its product of digits (311040), we obtain a palindrome (918030819).

The spelling of 918341859 in words is "nine hundred eighteen million, three hundred forty-one thousand, eight hundred fifty-nine".