8684990 has 16 divisors (see below), whose sum is σ = 15789600. Its totient is φ = 3439200.

The previous prime is 8684983. The next prime is 8685013. The reversal of 8684990 is 994868.

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 7 ways as a sum of consecutive naturals, for example, 3290 + ... + 5309.

It is an arithmetic number, because the mean of its divisors is an integer number (986850).

Almost surely, 2^8684990 is an apocalyptic number.

8684990 is a deficient number, since it is larger than the sum of its proper divisors (7104610).

8684990 is a wasteful number, since it uses less digits than its factorization.

8684990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8707.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 8684990 is about 2947.0307090358. The cubic root of 8684990 is about 205.5526630007.

The spelling of 8684990 in words is "eight million, six hundred eighty-four thousand, nine hundred ninety".