8840749 has 2 divisors, whose sum is σ = 8840750. Its totient is φ = 8840748.

The previous prime is 8840701. The next prime is 8840753. The reversal of 8840749 is 9470488.

8840749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7327849 + 1512900 = 2707^2 + 1230^2 .

It is a cyclic number.

It is not a de Polignac number, because 8840749 - 2¹³ = 8832557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8840759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4420374 + 4420375.

It is an arithmetic number, because the mean of its divisors is an integer number (4420375).

Almost surely, 2^8840749 is an apocalyptic number.

It is an amenable number.

8840749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8840749 is an equidigital number, since it uses as much as digits as its factorization.

8840749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 8840749 is about 2973.3397047764. The cubic root of 8840749 is about 206.7742020429.

The spelling of 8840749 in words is "eight million, eight hundred forty thousand, seven hundred forty-nine".