8749911 has 8 divisors (see below), whose sum is σ = 11751040. Its totient is φ = 5791032.

The previous prime is 8749903. The next prime is 8749921. The reversal of 8749911 is 1199478.

It is a happy number.

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

It is not a de Polignac number, because 8749911 - 2³ = 8749903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8749911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8749921) 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 7 ways as a sum of consecutive naturals, for example, 10075 + ... + 10908.

It is an arithmetic number, because the mean of its divisors is an integer number (1468880).

Almost surely, 2^8749911 is an apocalyptic number.

8749911 is a deficient number, since it is larger than the sum of its proper divisors (3001129).

8749911 is a wasteful number, since it uses less digits than its factorization.

8749911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21125.

The product of its digits is 18144, while the sum is 39.

The square root of 8749911 is about 2958.0248477658. The cubic root of 8749911 is about 206.0635663321.

The spelling of 8749911 in words is "eight million, seven hundred forty-nine thousand, nine hundred eleven".