3662005 has 8 divisors (see below), whose sum is σ = 4488192. Its totient is φ = 2867088.

The previous prime is 3661979. The next prime is 3662011. The reversal of 3662005 is 5002663.

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

It is a cyclic number.

It is not a de Polignac number, because 3662005 - 2²¹ = 1564853 is a prime.

It is a Duffinian number.

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, 7557 + ... + 8026.

It is an arithmetic number, because the mean of its divisors is an integer number (561024).

Almost surely, 2^3662005 is an apocalyptic number.

It is an amenable number.

3662005 is a deficient number, since it is larger than the sum of its proper divisors (826187).

3662005 is a wasteful number, since it uses less digits than its factorization.

3662005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15635.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3662005 is about 1913.6365903692. The cubic root of 3662005 is about 154.1367902498.

Adding to 3662005 its reverse (5002663), we get a palindrome (8664668).

The spelling of 3662005 in words is "three million, six hundred sixty-two thousand, five".