8347872 has 48 divisors (see below), whose sum is σ = 23602320. Its totient is φ = 2568192.

The previous prime is 8347849. The next prime is 8347879. The reversal of 8347872 is 2787438.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 8347872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8347879) 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, 2097 + ... + 4592.

It is an arithmetic number, because the mean of its divisors is an integer number (491715).

Almost surely, 2^8347872 is an apocalyptic number.

It is an amenable number.

8347872 is an abundant number, since it is smaller than the sum of its proper divisors (15254448).

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

8347872 is a wasteful number, since it uses less digits than its factorization.

8347872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715 (or 6707 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 8347872 is about 2889.2684195138. The cubic root of 8347872 is about 202.8579008294.

The spelling of 8347872 in words is "eight million, three hundred forty-seven thousand, eight hundred seventy-two".