8389436 has 12 divisors (see below), whose sum is σ = 16016280. Its totient is φ = 3813360.

The previous prime is 8389373. The next prime is 8389441. The reversal of 8389436 is 6349838.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8389393 and 8389402.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 95291 + ... + 95378.

It is an arithmetic number, because the mean of its divisors is an integer number (1334690).

Almost surely, 2^8389436 is an apocalyptic number.

It is an amenable number.

8389436 is a deficient number, since it is larger than the sum of its proper divisors (7626844).

8389436 is a wasteful number, since it uses less digits than its factorization.

8389436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190684 (or 190682 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 8389436 is about 2896.4523127440. The cubic root of 8389436 is about 203.1940196537.

The spelling of 8389436 in words is "eight million, three hundred eighty-nine thousand, four hundred thirty-six".