4989757 has 2 divisors, whose sum is σ = 4989758. Its totient is φ = 4989756.

The previous prime is 4989713. The next prime is 4989767. The reversal of 4989757 is 7579894.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4968441 + 21316 = 2229^2 + 146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4989757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4989757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4989707) 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, 2494878 + 2494879.

It is an arithmetic number, because the mean of its divisors is an integer number (2494879).

Almost surely, 2^4989757 is an apocalyptic number.

It is an amenable number.

4989757 is a deficient number, since it is larger than the sum of its proper divisors (1).

4989757 is an equidigital number, since it uses as much as digits as its factorization.

4989757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 49.

The square root of 4989757 is about 2233.7763988367. The cubic root of 4989757 is about 170.8807462820.

The spelling of 4989757 in words is "four million, nine hundred eighty-nine thousand, seven hundred fifty-seven".