3630866 has 8 divisors (see below), whose sum is σ = 5454540. Its totient is φ = 1812688.

The previous prime is 3630859. The next prime is 3630883. The reversal of 3630866 is 6680363.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2356225 + 1274641 = 1535^2 + 1129^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400 + ... + 3036.

Almost surely, 2^3630866 is an apocalyptic number.

3630866 is a deficient number, since it is larger than the sum of its proper divisors (1823674).

3630866 is a wasteful number, since it uses less digits than its factorization.

3630866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 3630866 is about 1905.4831408333. The cubic root of 3630866 is about 153.6986573671.

The spelling of 3630866 in words is "three million, six hundred thirty thousand, eight hundred sixty-six".