4988917 has 2 divisors, whose sum is σ = 4988918. Its totient is φ = 4988916.

The previous prime is 4988891. The next prime is 4988927. The reversal of 4988917 is 7198894.

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., 3721041 + 1267876 = 1929^2 + 1126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4988917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4988927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494458 + 2494459.

It is an arithmetic number, because the mean of its divisors is an integer number (2494459).

Almost surely, 2^4988917 is an apocalyptic number.

It is an amenable number.

4988917 is a deficient number, since it is larger than the sum of its proper divisors (1).

4988917 is an equidigital number, since it uses as much as digits as its factorization.

4988917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 46.

The square root of 4988917 is about 2233.5883685227. The cubic root of 4988917 is about 170.8711567781.

The spelling of 4988917 in words is "four million, nine hundred eighty-eight thousand, nine hundred seventeen".