4988691 has 6 divisors (see below), whose sum is σ = 7205900. Its totient is φ = 3325788.

The previous prime is 4988689. The next prime is 4988699. The reversal of 4988691 is 1968894.

It is not a de Polignac number, because 4988691 - 2¹ = 4988689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4988699) 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 5 ways as a sum of consecutive naturals, for example, 277141 + ... + 277158.

Almost surely, 2^4988691 is an apocalyptic number.

4988691 is a deficient number, since it is larger than the sum of its proper divisors (2217209).

4988691 is a wasteful number, since it uses less digits than its factorization.

4988691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554305 (or 554302 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 4988691 is about 2233.5377767121. The cubic root of 4988691 is about 170.8685765611.

The spelling of 4988691 in words is "four million, nine hundred eighty-eight thousand, six hundred ninety-one".