8686436 has 12 divisors (see below), whose sum is σ = 16583280. Its totient is φ = 3948360.

The previous prime is 8686421. The next prime is 8686459. The reversal of 8686436 is 6346868.

It is a junction number, because it is equal to n+sod(n) for n = 8686393 and 8686402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98666 + ... + 98753.

It is an arithmetic number, because the mean of its divisors is an integer number (1381940).

Almost surely, 2^8686436 is an apocalyptic number.

It is an amenable number.

8686436 is a deficient number, since it is larger than the sum of its proper divisors (7896844).

8686436 is a wasteful number, since it uses less digits than its factorization.

8686436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197434 (or 197432 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 8686436 is about 2947.2760305068. The cubic root of 8686436 is about 205.5640701394.

The spelling of 8686436 in words is "eight million, six hundred eighty-six thousand, four hundred thirty-six".