652340 has 36 divisors (see below), whose sum is σ = 1491084. Its totient is φ = 239616.

The previous prime is 652339. The next prime is 652343. The reversal of 652340 is 43256.

652340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 206116 + 446224 = 454^2 + 668^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3284 + ... + 3476.

It is an arithmetic number, because the mean of its divisors is an integer number (41419).

2⁶⁵²³⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745542).

652340 is an abundant number, since it is smaller than the sum of its proper divisors (838744).

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

652340 is a wasteful number, since it uses less digits than its factorization.

652340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 652340 is about 807.6756774845. The cubic root of 652340 is about 86.7277347372.

Adding to 652340 its reverse (43256), we get a palindrome (695596).

It can be divided in two parts, 65 and 2340, that multiplied together give a square (152100 = 390²).

The spelling of 652340 in words is "six hundred fifty-two thousand, three hundred forty".