4784909 has 2 divisors, whose sum is σ = 4784910. Its totient is φ = 4784908.

The previous prime is 4784887. The next prime is 4784921. The reversal of 4784909 is 9094874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4622500 + 162409 = 2150^2 + 403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4784909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4784009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2392454 + 2392455.

It is an arithmetic number, because the mean of its divisors is an integer number (2392455).

Almost surely, 2^4784909 is an apocalyptic number.

It is an amenable number.

4784909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4784909 is an equidigital number, since it uses as much as digits as its factorization.

4784909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 4784909 is about 2187.4434849842. The cubic root of 4784909 is about 168.5095663281.

The spelling of 4784909 in words is "four million, seven hundred eighty-four thousand, nine hundred nine".