4561630 has 16 divisors (see below), whose sum is σ = 8242560. Its totient is φ = 1817632.

The previous prime is 4561621. The next prime is 4561631. The reversal of 4561630 is 361654.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 4561595 and 4561604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561631) 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, 2451 + ... + 3889.

It is an arithmetic number, because the mean of its divisors is an integer number (515160).

Almost surely, 2^4561630 is an apocalyptic number.

4561630 is a deficient number, since it is larger than the sum of its proper divisors (3680930).

4561630 is a wasteful number, since it uses less digits than its factorization.

4561630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4561630 is about 2135.7972750240. The cubic root of 4561630 is about 165.8466430962.

The spelling of 4561630 in words is "four million, five hundred sixty-one thousand, six hundred thirty".