652663830 has 320 divisors, whose sum is σ = 2134496448. Its totient is φ = 126443520.

The previous prime is 652663819. The next prime is 652663861. The reversal of 652663830 is 38366256.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 15918610 + ... + 15918650.

Almost surely, 2^652663830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652663830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067248224).

652663830 is an abundant number, since it is smaller than the sum of its proper divisors (1481832618).

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

652663830 is a wasteful number, since it uses less digits than its factorization.

652663830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 652663830 is about 25547.2861572418. The cubic root of 652663830 is about 867.4208328567.

It can be divided in two parts, 65266 and 3830, that added together give a palindrome (69096).

The spelling of 652663830 in words is "six hundred fifty-two million, six hundred sixty-three thousand, eight hundred thirty".