8644434 has 16 divisors (see below), whose sum is σ = 17347872. Its totient is φ = 2871648.

The previous prime is 8644397. The next prime is 8644439. The reversal of 8644434 is 4344468.

8644434 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 8644395 and 8644404.

It is not an unprimeable number, because it can be changed into a prime (8644439) 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, 424 + ... + 4179.

It is an arithmetic number, because the mean of its divisors is an integer number (1084242).

Almost surely, 2^8644434 is an apocalyptic number.

8644434 is an abundant number, since it is smaller than the sum of its proper divisors (8703438).

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

8644434 is a wasteful number, since it uses less digits than its factorization.

8644434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921.

The product of its digits is 36864, while the sum is 33.

The square root of 8644434 is about 2940.1418333135. The cubic root of 8644434 is about 205.2322096044.

The spelling of 8644434 in words is "eight million, six hundred forty-four thousand, four hundred thirty-four".