4988491 has 4 divisors (see below), whose sum is σ = 5037984. Its totient is φ = 4939000.

The previous prime is 4988453. The next prime is 4988513. The reversal of 4988491 is 1948894.

4988491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4988491 - 2⁷ = 4988363 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 9² + 8 + 8³ + 4¹¹ + 9⁶ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4988411) 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, 24595 + ... + 24796.

It is an arithmetic number, because the mean of its divisors is an integer number (1259496).

Almost surely, 2^4988491 is an apocalyptic number.

4988491 is a deficient number, since it is larger than the sum of its proper divisors (49493).

4988491 is a wasteful number, since it uses less digits than its factorization.

4988491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49492.

The product of its digits is 82944, while the sum is 43.

The square root of 4988491 is about 2233.4930042425. The cubic root of 4988491 is about 170.8662931183.

The spelling of 4988491 in words is "four million, nine hundred eighty-eight thousand, four hundred ninety-one".