652628 has 12 divisors (see below), whose sum is σ = 1148532. Its totient is φ = 324480.

The previous prime is 652627. The next prime is 652651. The reversal of 652628 is 826256.

It can be written as a sum of positive squares in 2 ways, for example, as 595984 + 56644 = 772^2 + 238^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 652628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626 + ... + 1302.

It is an arithmetic number, because the mean of its divisors is an integer number (95711).

2⁶⁵²⁶²⁸ is an apocalyptic number.

It is an amenable number.

652628 is a deficient number, since it is larger than the sum of its proper divisors (495904).

652628 is a wasteful number, since it uses less digits than its factorization.

652628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 920 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 652628 is about 807.8539471959. The cubic root of 652628 is about 86.7404959316.

It can be divided in two parts, 65 and 2628, that multiplied together give a triangular number (170820 = T₅₈₄).

The spelling of 652628 in words is "six hundred fifty-two thousand, six hundred twenty-eight".