3650005 has 8 divisors (see below), whose sum is σ = 4390272. Its totient is φ = 2913168.

The previous prime is 3649999. The next prime is 3650051. The reversal of 3650005 is 5000563.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3650005 is a prime.

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, 3672 + ... + 4558.

It is an arithmetic number, because the mean of its divisors is an integer number (548784).

Almost surely, 2^3650005 is an apocalyptic number.

It is an amenable number.

3650005 is a deficient number, since it is larger than the sum of its proper divisors (740267).

3650005 is an equidigital number, since it uses as much as digits as its factorization.

3650005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 3650005 is about 1910.4986260136. The cubic root of 3650005 is about 153.9682427348.

Adding to 3650005 its reverse (5000563), we get a palindrome (8650568).

The spelling of 3650005 in words is "three million, six hundred fifty thousand, five".