8749441 has 8 divisors (see below), whose sum is σ = 9490824. Its totient is φ = 8033280.

The previous prime is 8749439. The next prime is 8749451. The reversal of 8749441 is 1449478.

It can be written as a sum of positive squares in 4 ways, for example, as 2989441 + 5760000 = 1729^2 + 2400^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8749441 - 2¹ = 8749439 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 8749441.

It is not an unprimeable number, because it can be changed into a prime (8749421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5580 + ... + 6973.

It is an arithmetic number, because the mean of its divisors is an integer number (1186353).

Almost surely, 2^8749441 is an apocalyptic number.

It is an amenable number.

8749441 is a deficient number, since it is larger than the sum of its proper divisors (741383).

8749441 is a wasteful number, since it uses less digits than its factorization.

8749441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12611.

The product of its digits is 32256, while the sum is 37.

The square root of 8749441 is about 2957.9454017950. The cubic root of 8749441 is about 206.0598767094.

Adding to 8749441 its sum of digits (37), we get a palindrome (8749478).

The spelling of 8749441 in words is "eight million, seven hundred forty-nine thousand, four hundred forty-one".