4630645 has 4 divisors (see below), whose sum is σ = 5556780. Its totient is φ = 3704512.

The previous prime is 4630643. The next prime is 4630651. The reversal of 4630645 is 5460364.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1540081 + 3090564 = 1241^2 + 1758^2 .

It is a cyclic number.

It is not a de Polignac number, because 4630645 - 2¹ = 4630643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4630643) 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, 463060 + ... + 463069.

It is an arithmetic number, because the mean of its divisors is an integer number (1389195).

Almost surely, 2^4630645 is an apocalyptic number.

It is an amenable number.

4630645 is a deficient number, since it is larger than the sum of its proper divisors (926135).

4630645 is an equidigital number, since it uses as much as digits as its factorization.

4630645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926134.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 4630645 is about 2151.8933523760. The cubic root of 4630645 is about 166.6788502205.

The spelling of 4630645 in words is "four million, six hundred thirty thousand, six hundred forty-five".