853239018 has 16 divisors (see below), whose sum is σ = 1752599520. Its totient is φ = 276726096.

The previous prime is 853239017. The next prime is 853239041. The reversal of 853239018 is 810932358.

It is not an unprimeable number, because it can be changed into a prime (853239017) 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 7 ways as a sum of consecutive naturals, for example, 1921488 + ... + 1921931.

It is an arithmetic number, because the mean of its divisors is an integer number (109537470).

Almost surely, 2^853239018 is an apocalyptic number.

853239018 is an abundant number, since it is smaller than the sum of its proper divisors (899360502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853239018 is a wasteful number, since it uses less digits than its factorization.

853239018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843461.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 853239018 is about 29210.2553566380. The cubic root of 853239018 is about 948.4699351622.

The spelling of 853239018 in words is "eight hundred fifty-three million, two hundred thirty-nine thousand, eighteen".