853021952 has 36 divisors (see below), whose sum is σ = 1714065696. Its totient is φ = 423667200.

The previous prime is 853021951. The next prime is 853021963. The reversal of 853021952 is 259120358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853021951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27623 + ... + 49689.

It is an arithmetic number, because the mean of its divisors is an integer number (47612936).

Almost surely, 2^853021952 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 853021952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857032848).

853021952 is an abundant number, since it is smaller than the sum of its proper divisors (861043744).

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

853021952 is a wasteful number, since it uses less digits than its factorization.

853021952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22234 (or 22220 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 853021952 is about 29206.5395416848. The cubic root of 853021952 is about 948.3894973513.

The spelling of 853021952 in words is "eight hundred fifty-three million, twenty-one thousand, nine hundred fifty-two".