8684090 has 8 divisors (see below), whose sum is σ = 15631380. Its totient is φ = 3473632.

The previous prime is 8684089. The next prime is 8684099. The reversal of 8684090 is 904868.

It can be written as a sum of positive squares in 2 ways, for example, as 8231161 + 452929 = 2869^2 + 673^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8684090.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8684099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434195 + ... + 434214.

Almost surely, 2^8684090 is an apocalyptic number.

8684090 is a deficient number, since it is larger than the sum of its proper divisors (6947290).

8684090 is a wasteful number, since it uses less digits than its factorization.

8684090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868416.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 8684090 is about 2946.8780090122. The cubic root of 8684090 is about 205.5455624826.

The spelling of 8684090 in words is "eight million, six hundred eighty-four thousand, ninety".