652649424 has 120 divisors (see below), whose sum is σ = 1969427520. Its totient is φ = 186240768.

The previous prime is 652649423. The next prime is 652649443. The reversal of 652649424 is 424946256.

652649424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652649423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806332 + ... + 807140.

It is an arithmetic number, because the mean of its divisors is an integer number (16411896).

Almost surely, 2^652649424 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 652649424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (984713760).

652649424 is an abundant number, since it is smaller than the sum of its proper divisors (1316778096).

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

652649424 is an frugal number, since it uses more digits than its factorization.

652649424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 821 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 652649424 is about 25547.0042079301. The cubic root of 652649424 is about 867.4144507266.

The spelling of 652649424 in words is "six hundred fifty-two million, six hundred forty-nine thousand, four hundred twenty-four".