9923556 has 12 divisors (see below), whose sum is σ = 23154992. Its totient is φ = 3307848.

The previous prime is 9923531. The next prime is 9923579. The reversal of 9923556 is 6553299.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413470 + ... + 413493.

Almost surely, 2^9923556 is an apocalyptic number.

It is an amenable number.

9923556 is an abundant number, since it is smaller than the sum of its proper divisors (13231436).

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

9923556 is a wasteful number, since it uses less digits than its factorization.

9923556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826970 (or 826968 counting only the distinct ones).

The product of its digits is 72900, while the sum is 39.

The square root of 9923556 is about 3150.1676145882. The cubic root of 9923556 is about 214.8930854762.

The spelling of 9923556 in words is "nine million, nine hundred twenty-three thousand, five hundred fifty-six".