4628309 has 4 divisors (see below), whose sum is σ = 5289504. Its totient is φ = 3967116.

The previous prime is 4628297. The next prime is 4628311. The reversal of 4628309 is 9038264.

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 a de Polignac number, because none of the positive numbers 2^k-4628309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4628389) 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 3 ways as a sum of consecutive naturals, for example, 330587 + ... + 330600.

It is an arithmetic number, because the mean of its divisors is an integer number (1322376).

Almost surely, 2^4628309 is an apocalyptic number.

It is an amenable number.

4628309 is a deficient number, since it is larger than the sum of its proper divisors (661195).

4628309 is an equidigital number, since it uses as much as digits as its factorization.

4628309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661194.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4628309 is about 2151.3505060775. The cubic root of 4628309 is about 166.6508176040.

The spelling of 4628309 in words is "four million, six hundred twenty-eight thousand, three hundred nine".