853849746 has 48 divisors (see below), whose sum is σ = 1942439616. Its totient is φ = 270550368.

The previous prime is 853849739. The next prime is 853849781. The reversal of 853849746 is 647948358.

853849746 is a `hidden beast` number, since 85 + 38 + 497 + 46 = 666.

853849746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 853849692 and 853849701.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61156 + ... + 73808.

It is an arithmetic number, because the mean of its divisors is an integer number (40467492).

Almost surely, 2^853849746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853849746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971219808).

853849746 is an abundant number, since it is smaller than the sum of its proper divisors (1088589870).

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

853849746 is a wasteful number, since it uses less digits than its factorization.

853849746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12847 (or 12844 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 853849746 is about 29220.7074863016. The cubic root of 853849746 is about 948.6961785255.

The spelling of 853849746 in words is "eight hundred fifty-three million, eight hundred forty-nine thousand, seven hundred forty-six".