4631630 has 24 divisors (see below), whose sum is σ = 8805672. Its totient is φ = 1753776.

The previous prime is 4631629. The next prime is 4631639. The reversal of 4631630 is 361364.

It is a junction number, because it is equal to n+sod(n) for n = 4631596 and 4631605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4631639) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2969 + ... + 4251.

It is an arithmetic number, because the mean of its divisors is an integer number (366903).

Almost surely, 2^4631630 is an apocalyptic number.

4631630 is a deficient number, since it is larger than the sum of its proper divisors (4174042).

4631630 is a wasteful number, since it uses less digits than its factorization.

4631630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 4631630 is about 2152.1222084259. The cubic root of 4631630 is about 166.6906676547.

Adding to 4631630 its reverse (361364), we get a palindrome (4992994).

The spelling of 4631630 in words is "four million, six hundred thirty-one thousand, six hundred thirty".