652664 has 16 divisors (see below), whose sum is σ = 1296000. Its totient is φ = 307072.

The previous prime is 652657. The next prime is 652667. The reversal of 652664 is 466256.

Together with 643336 it forms an amicable pair .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652667) 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, 2264 + ... + 2535.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2⁶⁵²⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

652664 is a deficient number, since it is larger than the sum of its proper divisors (643336).

652664 is a wasteful number, since it uses less digits than its factorization.

652664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822 (or 4818 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 652664 is about 807.8762281439. The cubic root of 652664 is about 86.7420908169.

The spelling of 652664 in words is "six hundred fifty-two thousand, six hundred sixty-four".