36664 has 8 divisors (see below), whose sum is σ = 68760. Its totient is φ = 18328.
The previous prime is 36653. The next prime is 36671. The reversal of 36664 is 46663.
It is a happy number.
36664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2284 + ... + 2299.
It is an arithmetic number, because the mean of its divisors is an integer number (8595).
236664 is an apocalyptic number.
It is an amenable number.
36664 is a deficient number, since it is larger than the sum of its proper divisors (32096).
36664 is a wasteful number, since it uses less digits than its factorization.
36664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4589 (or 4585 counting only the distinct ones).
The product of its digits is 2592, while the sum is 25.
The square root of 36664 is about 191.4784583184. The cubic root of 36664 is about 33.2210443827.
Subtracting 36664 from its reverse (46663), we obtain a palindrome (9999).
The spelling of 36664 in words is "thirty-six thousand, six hundred sixty-four".
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