4678249 has 2 divisors, whose sum is σ = 4678250. Its totient is φ = 4678248.

The previous prime is 4678231. The next prime is 4678259. The reversal of 4678249 is 9428764.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4652649 + 25600 = 2157^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 4678249 - 2⁵ = 4678217 is a prime.

It is not a weakly prime, because it can be changed into another prime (4678259) 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 as a sum of consecutive naturals, namely, 2339124 + 2339125.

It is an arithmetic number, because the mean of its divisors is an integer number (2339125).

Almost surely, 2^4678249 is an apocalyptic number.

It is an amenable number.

4678249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4678249 is an equidigital number, since it uses as much as digits as its factorization.

4678249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 4678249 is about 2162.9260273990. The cubic root of 4678249 is about 167.2480685836.

The spelling of 4678249 in words is "four million, six hundred seventy-eight thousand, two hundred forty-nine".