64886 has 4 divisors (see below), whose sum is σ = 97332. Its totient is φ = 32442.

The previous prime is 64879. The next prime is 64891. The reversal of 64886 is 68846.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

64886 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 as a sum of consecutive naturals, namely, 16220 + ... + 16223.

It is an arithmetic number, because the mean of its divisors is an integer number (24333).

2⁶⁴⁸⁸⁶ is an apocalyptic number.

64886 is a deficient number, since it is larger than the sum of its proper divisors (32446).

64886 is a wasteful number, since it uses less digits than its factorization.

64886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32445.

The product of its digits is 9216, while the sum is 32.

The square root of 64886 is about 254.7273051716. The cubic root of 64886 is about 40.1837380493.

The spelling of 64886 in words is "sixty-four thousand, eight hundred eighty-six".