3684635 has 4 divisors (see below), whose sum is σ = 4421568. Its totient is φ = 2947704.

The previous prime is 3684607. The next prime is 3684641. The reversal of 3684635 is 5364863.

3684635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3684635 - 2¹² = 3680539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3684595 and 3684604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368459 + ... + 368468.

It is an arithmetic number, because the mean of its divisors is an integer number (1105392).

Almost surely, 2^3684635 is an apocalyptic number.

3684635 is a deficient number, since it is larger than the sum of its proper divisors (736933).

3684635 is an equidigital number, since it uses as much as digits as its factorization.

3684635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736932.

The product of its digits is 51840, while the sum is 35.

The square root of 3684635 is about 1919.5403095533. The cubic root of 3684635 is about 154.4536435392.

The spelling of 3684635 in words is "three million, six hundred eighty-four thousand, six hundred thirty-five".