8442656 has 24 divisors (see below), whose sum is σ = 17345664. Its totient is φ = 4037440.

The previous prime is 8442653. The next prime is 8442667. The reversal of 8442656 is 6562448.

It is an Ulam number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000 + ... + 6471.

It is an arithmetic number, because the mean of its divisors is an integer number (722736).

Almost surely, 2^8442656 is an apocalyptic number.

It is an amenable number.

8442656 is an abundant number, since it is smaller than the sum of its proper divisors (8903008).

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

8442656 is a wasteful number, since it uses less digits than its factorization.

8442656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11504 (or 11496 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 8442656 is about 2905.6248897612. The cubic root of 8442656 is about 203.6227810591.

The spelling of 8442656 in words is "eight million, four hundred forty-two thousand, six hundred fifty-six".