63606 has 8 divisors (see below), whose sum is σ = 127224. Its totient is φ = 21200.

The previous prime is 63601. The next prime is 63607. The reversal of 63606 is 60636.

It is a sphenic number, since it is the product of 3 distinct primes.

63606 is an admirable number.

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 (63601) by changing a digit.

63606 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5295 + ... + 5306.

It is an arithmetic number, because the mean of its divisors is an integer number (15903).

2⁶³⁶⁰⁶ is an apocalyptic number.

63606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63612).

63606 is a wasteful number, since it uses less digits than its factorization.

63606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10606.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 63606 is about 252.2022997516. The cubic root of 63606 is about 39.9177476464.

The spelling of 63606 in words is "sixty-three thousand, six hundred six".