8856420 has 24 divisors (see below), whose sum is σ = 24798144. Its totient is φ = 2361696.

The previous prime is 8856377. The next prime is 8856427. The reversal of 8856420 is 246588.

It is not an unprimeable number, because it can be changed into a prime (8856427) 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, 73744 + ... + 73863.

It is an arithmetic number, because the mean of its divisors is an integer number (1033256).

Almost surely, 2^8856420 is an apocalyptic number.

It is an amenable number.

8856420 is an abundant number, since it is smaller than the sum of its proper divisors (15941724).

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

8856420 is a wasteful number, since it uses less digits than its factorization.

8856420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147619 (or 147617 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 8856420 is about 2975.9737902072. The cubic root of 8856420 is about 206.8963050380.

The spelling of 8856420 in words is "eight million, eight hundred fifty-six thousand, four hundred twenty".