8406816 has 96 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 2407680.

The previous prime is 8406809. The next prime is 8406817. The reversal of 8406816 is 6186048.

8406816 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8406817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19855 + ... + 20273.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^8406816 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 8406816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12700800).

8406816 is an abundant number, since it is smaller than the sum of its proper divisors (16994784).

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

8406816 is a wasteful number, since it uses less digits than its factorization.

8406816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8406816 is about 2899.4509825138. The cubic root of 8406816 is about 203.3342387012.

The spelling of 8406816 in words is "eight million, four hundred six thousand, eight hundred sixteen".