8445684 has 24 divisors (see below), whose sum is σ = 21222880. Its totient is φ = 2598624.

The previous prime is 8445683. The next prime is 8445707. The reversal of 8445684 is 4865448.

8445684 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8445683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26914 + ... + 27225.

Almost surely, 2^8445684 is an apocalyptic number.

It is an amenable number.

8445684 is an abundant number, since it is smaller than the sum of its proper divisors (12777196).

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

8445684 is a wasteful number, since it uses less digits than its factorization.

8445684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54159 (or 54157 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 8445684 is about 2906.1459013615. The cubic root of 8445684 is about 203.6471215859.

The spelling of 8445684 in words is "eight million, four hundred forty-five thousand, six hundred eighty-four".