853849504 has 48 divisors (see below), whose sum is σ = 1720663560. Its totient is φ = 416931840.

The previous prime is 853849501. The next prime is 853849519. The reversal of 853849504 is 405948358.

It can be written as a sum of positive squares in 4 ways, for example, as 849605904 + 4243600 = 29148^2 + 2060^2 .

It is not an unprimeable number, because it can be changed into a prime (853849501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407692 + ... + 409780.

Almost surely, 2^853849504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853849504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860331780).

853849504 is an abundant number, since it is smaller than the sum of its proper divisors (866814056).

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

853849504 is a wasteful number, since it uses less digits than its factorization.

853849504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 853849504 is about 29220.7033454022. The cubic root of 853849504 is about 948.6960888983.

The spelling of 853849504 in words is "eight hundred fifty-three million, eight hundred forty-nine thousand, five hundred four".