36804021 has 8 divisors (see below), whose sum is σ = 49100160. Its totient is φ = 24521952.

The previous prime is 36804013. The next prime is 36804029. The reversal of 36804021 is 12040863.

It is a happy number.

36804021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (36804013) and next prime (36804029).

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

It is not a de Polignac number, because 36804021 - 2³ = 36804013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36803982 and 36804000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36804029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7716 + ... + 11538.

It is an arithmetic number, because the mean of its divisors is an integer number (6137520).

Almost surely, 2^36804021 is an apocalyptic number.

It is an amenable number.

36804021 is a deficient number, since it is larger than the sum of its proper divisors (12296139).

36804021 is a wasteful number, since it uses less digits than its factorization.

36804021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 36804021 is about 6066.6317672989. The cubic root of 36804021 is about 332.6328140718.

Adding to 36804021 its reverse (12040863), we get a palindrome (48844884).

The spelling of 36804021 in words is "thirty-six million, eight hundred four thousand, twenty-one".