852031428 has 12 divisors (see below), whose sum is σ = 1988073360. Its totient is φ = 284010472.

The previous prime is 852031423. The next prime is 852031493. The reversal of 852031428 is 824130258.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (852031423) 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, 35501298 + ... + 35501321.

It is an arithmetic number, because the mean of its divisors is an integer number (165672780).

Almost surely, 2^852031428 is an apocalyptic number.

It is an amenable number.

852031428 is an abundant number, since it is smaller than the sum of its proper divisors (1136041932).

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

852031428 is a wasteful number, since it uses less digits than its factorization.

852031428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71002626 (or 71002624 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 852031428 is about 29189.5773864577. The cubic root of 852031428 is about 948.0222670979.

The spelling of 852031428 in words is "eight hundred fifty-two million, thirty-one thousand, four hundred twenty-eight".