8438716 has 24 divisors (see below), whose sum is σ = 17350704. Its totient is φ = 3540480.

The previous prime is 8438699. The next prime is 8438741. The reversal of 8438716 is 6178348.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6805 + ... + 7948.

It is an arithmetic number, because the mean of its divisors is an integer number (722946).

Almost surely, 2^8438716 is an apocalyptic number.

It is an amenable number.

8438716 is an abundant number, since it is smaller than the sum of its proper divisors (8911988).

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

8438716 is a wasteful number, since it uses less digits than its factorization.

8438716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14781 (or 14779 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 8438716 is about 2904.9468153479. The cubic root of 8438716 is about 203.5911007210.

It can be divided in two parts, 843 and 8716, that added together give a palindrome (9559).

The spelling of 8438716 in words is "eight million, four hundred thirty-eight thousand, seven hundred sixteen".