3630986 has 8 divisors (see below), whose sum is σ = 5458080. Its totient is φ = 1811628.

The previous prime is 3630983. The next prime is 3630997. The reversal of 3630986 is 6890363.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3630983) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 566 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (682260).

Almost surely, 2^3630986 is an apocalyptic number.

3630986 is a deficient number, since it is larger than the sum of its proper divisors (1827094).

3630986 is a wasteful number, since it uses less digits than its factorization.

3630986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 3630986 is about 1905.5146286502. The cubic root of 3630986 is about 153.7003505936.

The spelling of 3630986 in words is "three million, six hundred thirty thousand, nine hundred eighty-six".