36549 has 12 divisors (see below), whose sum is σ = 54912. Its totient is φ = 23400.

The previous prime is 36541. The next prime is 36551. The reversal of 36549 is 94563.

It is a happy number.

36549 is a `hidden beast` number, since 3 + 654 + 9 = 666.

36549 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36549 - 2³ = 36541 is a prime.

It is an alternating number because its digits alternate between odd and even.

36549 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36549.

It is not an unprimeable number, because it can be changed into a prime (36541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214 + ... + 344.

It is an arithmetic number, because the mean of its divisors is an integer number (4576).

36549 is a Friedman number, since it can be written as (4^6-35)*9, using all its digits and the basic arithmetic operations.

2³⁶⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

36549 is a deficient number, since it is larger than the sum of its proper divisors (18363).

36549 is a wasteful number, since it uses less digits than its factorization.

36549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 165 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 36549 is about 191.1779275963. The cubic root of 36549 is about 33.1862743863.

It can be divided in two parts, 3654 and 9, that added together give a palindrome (3663).

The spelling of 36549 in words is "thirty-six thousand, five hundred forty-nine".