652685992 has 128 divisors (see below), whose sum is σ = 1500364800. Its totient is φ = 260402688.

The previous prime is 652685951. The next prime is 652685993. The reversal of 652685992 is 299586256.

It is a happy number.

652685992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (652685993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8261809 + ... + 8261887.

It is an arithmetic number, because the mean of its divisors is an integer number (11721600).

Almost surely, 2^652685992 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 652685992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750182400).

652685992 is an abundant number, since it is smaller than the sum of its proper divisors (847678808).

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

652685992 is a wasteful number, since it uses less digits than its factorization.

652685992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 251 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 52.

The square root of 652685992 is about 25547.7198982610. The cubic root of 652685992 is about 867.4306508579.

The spelling of 652685992 in words is "six hundred fifty-two million, six hundred eighty-five thousand, nine hundred ninety-two".