8813749 has 4 divisors (see below), whose sum is σ = 10072864. Its totient is φ = 7554636.

The previous prime is 8813747. The next prime is 8813771. The reversal of 8813749 is 9473188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8813749 - 2¹ = 8813747 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8813743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629547 + ... + 629560.

It is an arithmetic number, because the mean of its divisors is an integer number (2518216).

Almost surely, 2^8813749 is an apocalyptic number.

It is an amenable number.

8813749 is a deficient number, since it is larger than the sum of its proper divisors (1259115).

8813749 is a wasteful number, since it uses less digits than its factorization.

8813749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259114.

The product of its digits is 48384, while the sum is 40.

The square root of 8813749 is about 2968.7958838559. The cubic root of 8813749 is about 206.5634885016.

The spelling of 8813749 in words is "eight million, eight hundred thirteen thousand, seven hundred forty-nine".