4630321 has 4 divisors (see below), whose sum is σ = 4686192. Its totient is φ = 4574452.

The previous prime is 4630313. The next prime is 4630331. The reversal of 4630321 is 1230364.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4630321 - 2³ = 4630313 is a prime.

It is an Ulam number.

It is a Duffinian number.

4630321 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4630331) 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 3 ways as a sum of consecutive naturals, for example, 27811 + ... + 27976.

It is an arithmetic number, because the mean of its divisors is an integer number (1171548).

Almost surely, 2^4630321 is an apocalyptic number.

It is an amenable number.

4630321 is a deficient number, since it is larger than the sum of its proper divisors (55871).

4630321 is an equidigital number, since it uses as much as digits as its factorization.

4630321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55870.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 4630321 is about 2151.8180685179. The cubic root of 4630321 is about 166.6749626982.

Adding to 4630321 its reverse (1230364), we get a palindrome (5860685).

The spelling of 4630321 in words is "four million, six hundred thirty thousand, three hundred twenty-one".