8856456 has 96 divisors (see below), whose sum is σ = 27332640. Its totient is φ = 2376192.

The previous prime is 8856443. The next prime is 8856457. The reversal of 8856456 is 6546588.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8856457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19771 + ... + 20213.

It is an arithmetic number, because the mean of its divisors is an integer number (284715).

Almost surely, 2^8856456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8856456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13666320).

8856456 is an abundant number, since it is smaller than the sum of its proper divisors (18476184).

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

8856456 is a wasteful number, since it uses less digits than its factorization.

8856456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 472 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 8856456 is about 2975.9798386414. The cubic root of 8856456 is about 206.8965853716.

The spelling of 8856456 in words is "eight million, eight hundred fifty-six thousand, four hundred fifty-six".