8689420 has 12 divisors (see below), whose sum is σ = 18247824. Its totient is φ = 3475760.

The previous prime is 8689399. The next prime is 8689433. The reversal of 8689420 is 249868.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8689420.

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, 217216 + ... + 217255.

It is an arithmetic number, because the mean of its divisors is an integer number (1520652).

Almost surely, 2^8689420 is an apocalyptic number.

It is an amenable number.

8689420 is an abundant number, since it is smaller than the sum of its proper divisors (9558404).

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

8689420 is a wasteful number, since it uses less digits than its factorization.

8689420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434480 (or 434478 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 8689420 is about 2947.7822171931. The cubic root of 8689420 is about 205.5876061811.

The spelling of 8689420 in words is "eight million, six hundred eighty-nine thousand, four hundred twenty".