4988749 has 2 divisors, whose sum is σ = 4988750. Its totient is φ = 4988748.

The previous prime is 4988741. The next prime is 4988759. The reversal of 4988749 is 9478894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4473225 + 515524 = 2115^2 + 718^2 .

It is a cyclic number.

It is not a de Polignac number, because 4988749 - 2³ = 4988741 is a prime.

4988749 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4988741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494374 + 2494375.

It is an arithmetic number, because the mean of its divisors is an integer number (2494375).

Almost surely, 2^4988749 is an apocalyptic number.

It is an amenable number.

4988749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4988749 is an equidigital number, since it uses as much as digits as its factorization.

4988749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 49.

The square root of 4988749 is about 2233.5507605604. The cubic root of 4988749 is about 170.8692387481.

The spelling of 4988749 in words is "four million, nine hundred eighty-eight thousand, seven hundred forty-nine".