8749039 has 16 divisors (see below), whose sum is σ = 10180800. Its totient is φ = 7451136.

The previous prime is 8749019. The next prime is 8749049. The reversal of 8749039 is 9309478.

It is a cyclic number.

It is not a de Polignac number, because 8749039 - 2⁵ = 8749007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8748992 and 8749010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8749019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8167 + ... + 9175.

It is an arithmetic number, because the mean of its divisors is an integer number (636300).

Almost surely, 2^8749039 is an apocalyptic number.

8749039 is a deficient number, since it is larger than the sum of its proper divisors (1431761).

8749039 is a wasteful number, since it uses less digits than its factorization.

8749039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 8749039 is about 2957.8774484417. The cubic root of 8749039 is about 206.0567207996.

The spelling of 8749039 in words is "eight million, seven hundred forty-nine thousand, thirty-nine".