3612006 has 16 divisors (see below), whose sum is σ = 8026800. Its totient is φ = 1203984.

The previous prime is 3611987. The next prime is 3612019. The reversal of 3612006 is 6002163.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3612006.

It is a congruent number.

It is an unprimeable number.

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, 33391 + ... + 33498.

It is an arithmetic number, because the mean of its divisors is an integer number (501675).

Almost surely, 2^3612006 is an apocalyptic number.

3612006 is an abundant number, since it is smaller than the sum of its proper divisors (4414794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3612006 is a wasteful number, since it uses less digits than its factorization.

3612006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66900 (or 66894 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3612006 is about 1900.5278214222. The cubic root of 3612006 is about 153.4320735579.

Adding to 3612006 its reverse (6002163), we get a palindrome (9614169).

The spelling of 3612006 in words is "three million, six hundred twelve thousand, six".