36999 has 6 divisors (see below), whose sum is σ = 53456. Its totient is φ = 24660.

The previous prime is 36997. The next prime is 37003. The reversal of 36999 is 99963.

It is not a de Polignac number, because 36999 - 2¹ = 36997 is a prime.

It is a Duffinian number.

36999 is a modest number, since divided by 999 gives 36 as remainder.

It is a plaindrome in base 10.

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 36999.

It is not an unprimeable number, because it can be changed into a prime (36997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2047 + ... + 2064.

2³⁶⁹⁹⁹ is an apocalyptic number.

36999 is a deficient number, since it is larger than the sum of its proper divisors (16457).

36999 is a wasteful number, since it uses less digits than its factorization.

36999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117 (or 4114 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 36999 is about 192.3512412229. The cubic root of 36999 is about 33.3219183136.

Subtracting from 36999 its sum of digits (36), we obtain a palindrome (36963).

It can be divided in two parts, 36 and 999, that added together give a triangular number (1035 = T₄₅).

The spelling of 36999 in words is "thirty-six thousand, nine hundred ninety-nine".