63486860 has 48 divisors (see below), whose sum is σ = 137803680. Its totient is φ = 24552960.

The previous prime is 63486833. The next prime is 63486869. The reversal of 63486860 is 6868436.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (63486869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113702 + ... + 114258.

It is an arithmetic number, because the mean of its divisors is an integer number (2870910).

Almost surely, 2^63486860 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 63486860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68901840).

63486860 is an abundant number, since it is smaller than the sum of its proper divisors (74316820).

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

63486860 is a wasteful number, since it uses less digits than its factorization.

63486860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 63486860 is about 7967.8642056702. The cubic root of 63486860 is about 398.9280884131.

It can be divided in two parts, 63486 and 860, that added together give a palindrome (64346).

The spelling of 63486860 in words is "sixty-three million, four hundred eighty-six thousand, eight hundred sixty".