4643630 has 16 divisors (see below), whose sum is σ = 8385984. Its totient is φ = 1851360.

The previous prime is 4643629. The next prime is 4643633. The reversal of 4643630 is 363464.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4643630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4643633) 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 7 ways as a sum of consecutive naturals, for example, 3659 + ... + 4761.

It is an arithmetic number, because the mean of its divisors is an integer number (524124).

Almost surely, 2^4643630 is an apocalyptic number.

4643630 is a deficient number, since it is larger than the sum of its proper divisors (3742354).

4643630 is a wasteful number, since it uses less digits than its factorization.

4643630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 4643630 is about 2154.9083507194. The cubic root of 4643630 is about 166.8345020421.

The spelling of 4643630 in words is "four million, six hundred forty-three thousand, six hundred thirty".