652866 has 16 divisors (see below), whose sum is σ = 1314144. Its totient is φ = 216224.

The previous prime is 652853. The next prime is 652871. The reversal of 652866 is 668256.

652866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

652866 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (82134).

2⁶⁵²⁸⁶⁶ is an apocalyptic number.

652866 is an abundant number, since it is smaller than the sum of its proper divisors (661278).

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

652866 is a wasteful number, since it uses less digits than its factorization.

652866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705.

The product of its digits is 17280, while the sum is 33.

The square root of 652866 is about 808.0012376228. The cubic root of 652866 is about 86.7510388080.

The spelling of 652866 in words is "six hundred fifty-two thousand, eight hundred sixty-six".