652668 has 24 divisors (see below), whose sum is σ = 1537872. Its totient is φ = 215424.

The previous prime is 652667. The next prime is 652699. The reversal of 652668 is 866256.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446 + ... + 1842.

It is an arithmetic number, because the mean of its divisors is an integer number (64078).

2⁶⁵²⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

652668 is an abundant number, since it is smaller than the sum of its proper divisors (885204).

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

652668 is a wasteful number, since it uses less digits than its factorization.

652668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 539 counting only the distinct ones).

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

The square root of 652668 is about 807.8787037668. The cubic root of 652668 is about 86.7422680228.

The spelling of 652668 in words is "six hundred fifty-two thousand, six hundred sixty-eight".