8686464 has 32 divisors (see below), whose sum is σ = 23074440. Its totient is φ = 2895360.

The previous prime is 8686463. The next prime is 8686471. The reversal of 8686464 is 4646868.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8686463) by changing a digit.

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, 10927 + ... + 11694.

Almost surely, 2^8686464 is an apocalyptic number.

It is an amenable number.

8686464 is an abundant number, since it is smaller than the sum of its proper divisors (14387976).

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

8686464 is a wasteful number, since it uses less digits than its factorization.

8686464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22638 (or 22626 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 8686464 is about 2947.2807806519. The cubic root of 8686464 is about 205.5642910120.

It can be divided in two parts, 8686 and 464, that multiplied together give a palindrome (4030304).

The spelling of 8686464 in words is "eight million, six hundred eighty-six thousand, four hundred sixty-four".