4640305 has 8 divisors (see below), whose sum is σ = 5588352. Its totient is φ = 3698928.

The previous prime is 4640287. The next prime is 4640329. The reversal of 4640305 is 5030464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4640305 - 2⁷ = 4640177 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24 + ... + 3046.

It is an arithmetic number, because the mean of its divisors is an integer number (698544).

Almost surely, 2^4640305 is an apocalyptic number.

It is an amenable number.

4640305 is a deficient number, since it is larger than the sum of its proper divisors (948047).

4640305 is a wasteful number, since it uses less digits than its factorization.

4640305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 4640305 is about 2154.1367180381. The cubic root of 4640305 is about 166.7946727726.

Adding to 4640305 its reverse (5030464), we get a palindrome (9670769).

The spelling of 4640305 in words is "four million, six hundred forty thousand, three hundred five".