853621242 has 16 divisors (see below), whose sum is σ = 1714766112. Its totient is φ = 283286480.

The previous prime is 853621231. The next prime is 853621247. The reversal of 853621242 is 242126358.

It is not an unprimeable number, because it can be changed into a prime (853621247) 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, 312009 + ... + 314732.

It is an arithmetic number, because the mean of its divisors is an integer number (107172882).

Almost surely, 2^853621242 is an apocalyptic number.

853621242 is an abundant number, since it is smaller than the sum of its proper divisors (861144870).

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

853621242 is a wasteful number, since it uses less digits than its factorization.

853621242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626973.

The product of its digits is 23040, while the sum is 33.

The square root of 853621242 is about 29216.7972577420. The cubic root of 853621242 is about 948.6115421619.

The spelling of 853621242 in words is "eight hundred fifty-three million, six hundred twenty-one thousand, two hundred forty-two".