3968630 has 16 divisors (see below), whose sum is σ = 7212240. Its totient is φ = 1572192.

The previous prime is 3968617. The next prime is 3968647. The reversal of 3968630 is 368693.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 785 + ... + 2924.

It is an arithmetic number, because the mean of its divisors is an integer number (450765).

Almost surely, 2^3968630 is an apocalyptic number.

3968630 is a deficient number, since it is larger than the sum of its proper divisors (3243610).

3968630 is a wasteful number, since it uses less digits than its factorization.

3968630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823.

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

The square root of 3968630 is about 1992.1420632073. The cubic root of 3968630 is about 158.3240425450.

The spelling of 3968630 in words is "three million, nine hundred sixty-eight thousand, six hundred thirty".