8749806 has 24 divisors (see below), whose sum is σ = 18951480. Its totient is φ = 2691936.

The previous prime is 8749789. The next prime is 8749813. The reversal of 8749806 is 6089478.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3301 + ... + 5328.

It is an arithmetic number, because the mean of its divisors is an integer number (789645).

Almost surely, 2^8749806 is an apocalyptic number.

8749806 is an abundant number, since it is smaller than the sum of its proper divisors (10201674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8749806 is a wasteful number, since it uses less digits than its factorization.

8749806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8660 (or 8647 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 8749806 is about 2958.0070993830. The cubic root of 8749806 is about 206.0627420661.

Subtracting from 8749806 its sum of digits (42), we obtain a square (8749764 = 2958²).

The spelling of 8749806 in words is "eight million, seven hundred forty-nine thousand, eight hundred six".