4988191 has 8 divisors (see below), whose sum is σ = 5688144. Its totient is φ = 4333440.

The previous prime is 4988189. The next prime is 4988197. The reversal of 4988191 is 1918894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4988191 - 2¹ = 4988189 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 (4988197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11065 + ... + 11506.

It is an arithmetic number, because the mean of its divisors is an integer number (711018).

Almost surely, 2^4988191 is an apocalyptic number.

4988191 is a deficient number, since it is larger than the sum of its proper divisors (699953).

4988191 is a wasteful number, since it uses less digits than its factorization.

4988191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22601.

The product of its digits is 20736, while the sum is 40.

The square root of 4988191 is about 2233.4258438551. The cubic root of 4988191 is about 170.8628678396.

The spelling of 4988191 in words is "four million, nine hundred eighty-eight thousand, one hundred ninety-one".