652628889 has 48 divisors (see below), whose sum is σ = 1046485440. Its totient is φ = 388644480.

The previous prime is 652628881. The next prime is 652628923. The reversal of 652628889 is 988826256.

652628889 is a `hidden beast` number, since 6 + 5 + 2 + 628 + 8 + 8 + 9 = 666.

It is not a de Polignac number, because 652628889 - 2³ = 652628881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652628881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2125674 + ... + 2125980.

It is an arithmetic number, because the mean of its divisors is an integer number (21801780).

Almost surely, 2^652628889 is an apocalyptic number.

It is an amenable number.

652628889 is a deficient number, since it is larger than the sum of its proper divisors (393856551).

652628889 is a wasteful number, since it uses less digits than its factorization.

652628889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 627 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 652628889 is about 25546.6022985445. The cubic root of 652628889 is about 867.4053531713.

The spelling of 652628889 in words is "six hundred fifty-two million, six hundred twenty-eight thousand, eight hundred eighty-nine".