4986649 has 2 divisors, whose sum is σ = 4986650. Its totient is φ = 4986648.

The previous prime is 4986647. The next prime is 4986677. The reversal of 4986649 is 9466894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 1871424 = 1765^2 + 1368^2 .

It is a cyclic number.

It is not a de Polignac number, because 4986649 - 2¹ = 4986647 is a prime.

Together with 4986647, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4986599 and 4986608.

It is not a weakly prime, because it can be changed into another prime (4986647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2493324 + 2493325.

It is an arithmetic number, because the mean of its divisors is an integer number (2493325).

Almost surely, 2^4986649 is an apocalyptic number.

It is an amenable number.

4986649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4986649 is an equidigital number, since it uses as much as digits as its factorization.

4986649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 4986649 is about 2233.0806075912. The cubic root of 4986649 is about 170.8452597398.

The spelling of 4986649 in words is "four million, nine hundred eighty-six thousand, six hundred forty-nine".