3680005 has 8 divisors (see below), whose sum is σ = 5046912. Its totient is φ = 2523408.

The previous prime is 3679999. The next prime is 3680011. The reversal of 3680005 is 5000863.

It is an interprime number because it is at equal distance from previous prime (3679999) and next prime (3680011).

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 3680005 - 2⁷ = 3679877 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52537 + ... + 52606.

It is an arithmetic number, because the mean of its divisors is an integer number (630864).

Almost surely, 2^3680005 is an apocalyptic number.

3680005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3680005 is a deficient number, since it is larger than the sum of its proper divisors (1366907).

3680005 is a wasteful number, since it uses less digits than its factorization.

3680005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105155.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3680005 is about 1918.3339125397. Note that the first 3 decimals coincide. The cubic root of 3680005 is about 154.3889225097.

Adding to 3680005 its reverse (5000863), we get a palindrome (8680868).

The spelling of 3680005 in words is "three million, six hundred eighty thousand, five".