852128924 has 24 divisors (see below), whose sum is σ = 1543841040. Its totient is φ = 411054336.

The previous prime is 852128897. The next prime is 852128957. The reversal of 852128924 is 429821258.

It is a happy number.

852128924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×852128924² = 1452247406234795552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228644 + ... + 232340.

It is an arithmetic number, because the mean of its divisors is an integer number (64326710).

Almost surely, 2^852128924 is an apocalyptic number.

It is an amenable number.

852128924 is a deficient number, since it is larger than the sum of its proper divisors (691712116).

852128924 is a wasteful number, since it uses less digits than its factorization.

852128924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717 (or 5715 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 852128924 is about 29191.2473868453. The cubic root of 852128924 is about 948.0584257225.

The spelling of 852128924 in words is "eight hundred fifty-two million, one hundred twenty-eight thousand, nine hundred twenty-four".