63860 has 24 divisors (see below), whose sum is σ = 139776. Its totient is φ = 24480.

The previous prime is 63857. The next prime is 63863. The reversal of 63860 is 6836.

It is an interprime number because it is at equal distance from previous prime (63857) and next prime (63863).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (5824).

2⁶³⁸⁶⁰ 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 63860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69888).

63860 is an abundant number, since it is smaller than the sum of its proper divisors (75916).

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

63860 is a wasteful number, since it uses less digits than its factorization.

63860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 63860 is about 252.7053620325. The cubic root of 63860 is about 39.9708120401.

The spelling of 63860 in words is "sixty-three thousand, eight hundred sixty".