8818749 has 12 divisors (see below), whose sum is σ = 12806716. Its totient is φ = 5847552.

The previous prime is 8818727. The next prime is 8818759. The reversal of 8818749 is 9478188.

It can be written as a sum of positive squares in 2 ways, for example, as 5904900 + 2913849 = 2430^2 + 1707^2 .

It is not a de Polignac number, because 8818749 - 2¹¹ = 8816701 is a prime.

It is a Duffinian number.

8818749 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8818759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 802 + ... + 4275.

Almost surely, 2^8818749 is an apocalyptic number.

It is an amenable number.

8818749 is a deficient number, since it is larger than the sum of its proper divisors (3987967).

8818749 is a wasteful number, since it uses less digits than its factorization.

8818749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276 (or 5273 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 8818749 is about 2969.6378567091. The cubic root of 8818749 is about 206.6025419623.

The spelling of 8818749 in words is "eight million, eight hundred eighteen thousand, seven hundred forty-nine".