4687849 has 2 divisors, whose sum is σ = 4687850. Its totient is φ = 4687848.

The previous prime is 4687829. The next prime is 4687853. The reversal of 4687849 is 9487864.

It is a happy number.

4687849 is nontrivially palindromic in base 12.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3080025 + 1607824 = 1755^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 4687849 - 2⁷ = 4687721 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4687799 and 4687808.

It is not a weakly prime, because it can be changed into another prime (4687829) 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 as a sum of consecutive naturals, namely, 2343924 + 2343925.

It is an arithmetic number, because the mean of its divisors is an integer number (2343925).

Almost surely, 2^4687849 is an apocalyptic number.

It is an amenable number.

4687849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4687849 is an equidigital number, since it uses as much as digits as its factorization.

4687849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The square root of 4687849 is about 2165.1441060585. The cubic root of 4687849 is about 167.3623908770.

The spelling of 4687849 in words is "four million, six hundred eighty-seven thousand, eight hundred forty-nine".