4920309 has 12 divisors (see below), whose sum is σ = 7143552. Its totient is φ = 3263400.

The previous prime is 4920299. The next prime is 4920329. The reversal of 4920309 is 9030294.

It is not a de Polignac number, because 4920309 - 2¹¹ = 4918261 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4920329) 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 11 ways as a sum of consecutive naturals, for example, 604 + ... + 3194.

It is an arithmetic number, because the mean of its divisors is an integer number (595296).

Almost surely, 2^4920309 is an apocalyptic number.

It is an amenable number.

4920309 is a deficient number, since it is larger than the sum of its proper divisors (2223243).

4920309 is a wasteful number, since it uses less digits than its factorization.

4920309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808 (or 2805 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 4920309 is about 2218.1769541675. The cubic root of 4920309 is about 170.0842604209.

The spelling of 4920309 in words is "four million, nine hundred twenty thousand, three hundred nine".