3691630 has 16 divisors (see below), whose sum is σ = 6758640. Its totient is φ = 1451392.

The previous prime is 3691627. The next prime is 3691657. The reversal of 3691630 is 361963.

3691630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2539 + ... + 3718.

It is an arithmetic number, because the mean of its divisors is an integer number (422415).

Almost surely, 2^3691630 is an apocalyptic number.

3691630 is a deficient number, since it is larger than the sum of its proper divisors (3067010).

3691630 is a wasteful number, since it uses less digits than its factorization.

3691630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3691630 is about 1921.3614964394. The cubic root of 3691630 is about 154.5513212620.

The spelling of 3691630 in words is "three million, six hundred ninety-one thousand, six hundred thirty".