36669 has 8 divisors (see below), whose sum is σ = 51840. Its totient is φ = 22976.

The previous prime is 36653. The next prime is 36671. The reversal of 36669 is 96663.

36669 = T₅₇ + T₅₈ + ... + T₇₃.

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

It is a cyclic number.

It is not a de Polignac number, because 36669 - 2⁴ = 36653 is a prime.

It is a super-2 number, since 2×36669² = 2689231122, which contains 22 as substring.

36669 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36629) 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, 309 + ... + 410.

It is an arithmetic number, because the mean of its divisors is an integer number (6480).

2³⁶⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

36669 is a deficient number, since it is larger than the sum of its proper divisors (15171).

36669 is a wasteful number, since it uses less digits than its factorization.

36669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its digits is 5832, while the sum is 30.

The square root of 36669 is about 191.4915141723. The cubic root of 36669 is about 33.2225544714. Note that the first 3 decimals are identical.

It can be divided in two parts, 366 and 69, that added together give a triangular number (435 = T₂₉).

The spelling of 36669 in words is "thirty-six thousand, six hundred sixty-nine".