8445556 has 12 divisors (see below), whose sum is σ = 16891168. Its totient is φ = 3619512.

The previous prime is 8445529. The next prime is 8445599. The reversal of 8445556 is 6555448.

8445556 is an admirable number.

It is a super-2 number, since 2×8445556² = 142654832298272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150786 + ... + 150841.

Almost surely, 2^8445556 is an apocalyptic number.

It is an amenable number.

8445556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8445556 is a wasteful number, since it uses less digits than its factorization.

8445556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301638 (or 301636 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The square root of 8445556 is about 2906.1238789838. The cubic root of 8445556 is about 203.6460927779.

It can be divided in two parts, 844555 and 6, that added together give a square (844561 = 919²).

The spelling of 8445556 in words is "eight million, four hundred forty-five thousand, five hundred fifty-six".