853853994 has 32 divisors (see below), whose sum is σ = 2168519040. Its totient is φ = 243958176.

The previous prime is 853853971. The next prime is 853854011. The reversal of 853853994 is 499358358.

853853994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 853853994.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129059 + ... + 1129814.

It is an arithmetic number, because the mean of its divisors is an integer number (67766220).

Almost surely, 2^853853994 is an apocalyptic number.

853853994 is an abundant number, since it is smaller than the sum of its proper divisors (1314665046).

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

853853994 is a wasteful number, since it uses less digits than its factorization.

853853994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258891 (or 2258885 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 853853994 is about 29220.7801743896. The cubic root of 853853994 is about 948.6977518135.

The spelling of 853853994 in words is "eight hundred fifty-three million, eight hundred fifty-three thousand, nine hundred ninety-four".