652866828 has 48 divisors (see below), whose sum is σ = 1619466240. Its totient is φ = 204120000.

The previous prime is 652866811. The next prime is 652866871. The reversal of 652866828 is 828668256.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8853 + ... + 37203.

It is an arithmetic number, because the mean of its divisors is an integer number (33738880).

Almost surely, 2^652866828 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 652866828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809733120).

652866828 is an abundant number, since it is smaller than the sum of its proper divisors (966599412).

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

652866828 is a wasteful number, since it uses less digits than its factorization.

652866828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28478 (or 28476 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The square root of 652866828 is about 25551.2588339596. The cubic root of 652866828 is about 867.5107548213.

The spelling of 652866828 in words is "six hundred fifty-two million, eight hundred sixty-six thousand, eight hundred twenty-eight".