63860928 has 56 divisors (see below), whose sum is σ = 170322240. Its totient is φ = 21116160.

The previous prime is 63860897. The next prime is 63860941. The reversal of 63860928 is 82906836.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 63860928.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23883 + ... + 26421.

Almost surely, 2^63860928 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 63860928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85161120).

63860928 is an abundant number, since it is smaller than the sum of its proper divisors (106461312).

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

63860928 is a wasteful number, since it uses less digits than its factorization.

63860928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685 (or 2675 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 63860928 is about 7991.3032729336. The cubic root of 63860928 is about 399.7100565494.

The spelling of 63860928 in words is "sixty-three million, eight hundred sixty thousand, nine hundred twenty-eight".