4988791 has 4 divisors (see below), whose sum is σ = 5018832. Its totient is φ = 4958752.

The previous prime is 4988761. The next prime is 4988831. The reversal of 4988791 is 1978894.

It is a happy number.

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 4988791 - 2⁵ = 4988759 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 (4988741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14770 + ... + 15103.

It is an arithmetic number, because the mean of its divisors is an integer number (1254708).

Almost surely, 2^4988791 is an apocalyptic number.

4988791 is a deficient number, since it is larger than the sum of its proper divisors (30041).

4988791 is a wasteful number, since it uses less digits than its factorization.

4988791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30040.

The product of its digits is 145152, while the sum is 46.

The square root of 4988791 is about 2233.5601626104. The cubic root of 4988791 is about 170.8697182597.

The spelling of 4988791 in words is "four million, nine hundred eighty-eight thousand, seven hundred ninety-one".