4988557 has 4 divisors (see below), whose sum is σ = 5701216. Its totient is φ = 4275900.

The previous prime is 4988537. The next prime is 4988563. The reversal of 4988557 is 7558894.

4988557 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4988557 - 2¹⁹ = 4464269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4988527) 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 in 3 ways as a sum of consecutive naturals, for example, 356319 + ... + 356332.

It is an arithmetic number, because the mean of its divisors is an integer number (1425304).

Almost surely, 2^4988557 is an apocalyptic number.

It is an amenable number.

4988557 is a deficient number, since it is larger than the sum of its proper divisors (712659).

4988557 is an equidigital number, since it uses as much as digits as its factorization.

4988557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712658.

The product of its digits is 403200, while the sum is 46.

The square root of 4988557 is about 2233.5077792567. The cubic root of 4988557 is about 170.8670466612.

The spelling of 4988557 in words is "four million, nine hundred eighty-eight thousand, five hundred fifty-seven".