652668928 has 52 divisors (see below), whose sum is σ = 1322355040. Its totient is φ = 322043904.

The previous prime is 652668893. The next prime is 652668949. The reversal of 652668928 is 829866256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322576 + ... + 324592.

Almost surely, 2^652668928 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 652668928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661177520).

652668928 is an abundant number, since it is smaller than the sum of its proper divisors (669686112).

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

652668928 is an equidigital number, since it uses as much as digits as its factorization.

652668928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120 (or 2098 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 652668928 is about 25547.3859328112. The cubic root of 652668928 is about 867.4230913445.

The spelling of 652668928 in words is "six hundred fifty-two million, six hundred sixty-eight thousand, nine hundred twenty-eight".