36904005 has 20 divisors (see below), whose sum is σ = 66154572. Its totient is φ = 19681920.

The previous prime is 36904001. The next prime is 36904013. The reversal of 36904005 is 50040963.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22410756 + 14493249 = 4734^2 + 3807^2 .

It is not a de Polignac number, because 36904005 - 2² = 36904001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 36904005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36904001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45156 + ... + 45965.

Almost surely, 2^36904005 is an apocalyptic number.

It is an amenable number.

36904005 is a deficient number, since it is larger than the sum of its proper divisors (29250567).

36904005 is an equidigital number, since it uses as much as digits as its factorization.

36904005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91138 (or 91129 counting only the distinct ones).

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

The square root of 36904005 is about 6074.8666652034. The cubic root of 36904005 is about 332.9337584333.

Adding to 36904005 its reverse (50040963), we get a palindrome (86944968).

The spelling of 36904005 in words is "thirty-six million, nine hundred four thousand, five".