9900776 has 16 divisors (see below), whose sum is σ = 18597600. Its totient is φ = 4941424.

The previous prime is 9900773. The next prime is 9900799. The reversal of 9900776 is 6770099.

It is not an unprimeable number, because it can be changed into a prime (9900773) by changing a digit.

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, 7235 + ... + 8493.

It is an arithmetic number, because the mean of its divisors is an integer number (1162350).

Almost surely, 2^9900776 is an apocalyptic number.

It is an amenable number.

9900776 is a deficient number, since it is larger than the sum of its proper divisors (8696824).

9900776 is a wasteful number, since it uses less digits than its factorization.

9900776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 9900776 is about 3146.5498565890. The cubic root of 9900776 is about 214.7285270241.

The spelling of 9900776 in words is "nine million, nine hundred thousand, seven hundred seventy-six".