3643006 has 8 divisors (see below), whose sum is σ = 5533920. Its totient is φ = 1798368.

The previous prime is 3643001. The next prime is 3643033. The reversal of 3643006 is 6003463.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11371 + ... + 11686.

It is an arithmetic number, because the mean of its divisors is an integer number (691740).

Almost surely, 2^3643006 is an apocalyptic number.

3643006 is a deficient number, since it is larger than the sum of its proper divisors (1890914).

3643006 is a wasteful number, since it uses less digits than its factorization.

3643006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23138.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3643006 is about 1908.6660263126. Note that the first 3 decimals coincide. The cubic root of 3643006 is about 153.8697667730.

Adding to 3643006 its reverse (6003463), we get a palindrome (9646469).

The spelling of 3643006 in words is "three million, six hundred forty-three thousand, six".