9970556 has 12 divisors (see below), whose sum is σ = 17470992. Its totient is φ = 4978848.

The previous prime is 9970549. The next prime is 9970567. The reversal of 9970556 is 6550799.

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, 4256 + ... + 6168.

It is an arithmetic number, because the mean of its divisors is an integer number (1455916).

Almost surely, 2^9970556 is an apocalyptic number.

It is an amenable number.

9970556 is a deficient number, since it is larger than the sum of its proper divisors (7500436).

9970556 is a wasteful number, since it uses less digits than its factorization.

9970556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220 (or 3218 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 9970556 is about 3157.6187230253. The cubic root of 9970556 is about 215.2318105480.

The spelling of 9970556 in words is "nine million, nine hundred seventy thousand, five hundred fifty-six".